CWE-434
AllowedUnrestricted Upload of File with Dangerous Type
Abstraction: Base · Status: Draft
The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.
6006 vulnerabilities reference this CWE, most recent first.
GHSA-7C26-WXQ9-97C9
Vulnerability from github – Published: 2023-04-04 09:30 – Updated: 2023-04-04 09:30Unrestricted Upload of File with Dangerous Type vulnerability in Fernus Informatics LMS allows OS Command Injection, Server Side Include (SSI) Injection.This issue affects LMS: before 23.04.03.
{
"affected": [],
"aliases": [
"CVE-2023-1728"
],
"database_specific": {
"cwe_ids": [
"CWE-434"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-04-04T09:15:00Z",
"severity": "CRITICAL"
},
"details": "Unrestricted Upload of File with Dangerous Type vulnerability in Fernus Informatics LMS allows OS Command Injection, Server Side Include (SSI) Injection.This issue affects LMS: before 23.04.03.",
"id": "GHSA-7c26-wxq9-97c9",
"modified": "2023-04-04T09:30:19Z",
"published": "2023-04-04T09:30:19Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-1728"
},
{
"type": "WEB",
"url": "https://www.usom.gov.tr/bildirim/tr-23-0194"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-7C33-9GXW-XJFF
Vulnerability from github – Published: 2023-01-26 21:30 – Updated: 2023-02-01 21:30File Upload Vulnerability found in Rawchen Blog-ssm v1.0 allowing attackers to execute arbitrary commands and gain escalated privileges via the /uploadFileList component.
{
"affected": [],
"aliases": [
"CVE-2022-40035"
],
"database_specific": {
"cwe_ids": [
"CWE-434"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-01-26T21:16:00Z",
"severity": "HIGH"
},
"details": "File Upload Vulnerability found in Rawchen Blog-ssm v1.0 allowing attackers to execute arbitrary commands and gain escalated privileges via the /uploadFileList component.",
"id": "GHSA-7c33-9gxw-xjff",
"modified": "2023-02-01T21:30:22Z",
"published": "2023-01-26T21:30:23Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2022-40035"
},
{
"type": "WEB",
"url": "https://github.com/rawchen/blog-ssm/issues/3"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-7C3C-MQJ4-WPR7
Vulnerability from github – Published: 2024-11-14 18:30 – Updated: 2026-04-01 18:32Unrestricted Upload of File with Dangerous Type vulnerability in Team Devexhub Devexhub Gallery allows Upload a Web Shell to a Web Server.This issue affects Devexhub Gallery: from n/a through 2.0.1.
{
"affected": [],
"aliases": [
"CVE-2024-52373"
],
"database_specific": {
"cwe_ids": [
"CWE-434"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-11-14T18:15:21Z",
"severity": "CRITICAL"
},
"details": "Unrestricted Upload of File with Dangerous Type vulnerability in Team Devexhub Devexhub Gallery allows Upload a Web Shell to a Web Server.This issue affects Devexhub Gallery: from n/a through 2.0.1.",
"id": "GHSA-7c3c-mqj4-wpr7",
"modified": "2026-04-01T18:32:24Z",
"published": "2024-11-14T18:30:38Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-52373"
},
{
"type": "WEB",
"url": "https://patchstack.com/database/Wordpress/Plugin/devexhub-gallery/vulnerability/wordpress-devexhub-gallery-plugin-2-0-1-arbitrary-file-upload-vulnerability?_s_id=cve"
},
{
"type": "WEB",
"url": "https://patchstack.com/database/vulnerability/devexhub-gallery/wordpress-devexhub-gallery-plugin-2-0-1-arbitrary-file-upload-vulnerability?_s_id=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-7C3V-2WVG-8FRC
Vulnerability from github – Published: 2022-05-13 01:44 – Updated: 2025-04-20 03:49Simple Chatting System 1.0 allows Arbitrary File Upload via view/my_profile.php, which places files under uploads/.
{
"affected": [],
"aliases": [
"CVE-2017-17593"
],
"database_specific": {
"cwe_ids": [
"CWE-434"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2017-12-13T09:29:00Z",
"severity": "HIGH"
},
"details": "Simple Chatting System 1.0 allows Arbitrary File Upload via view/my_profile.php, which places files under uploads/.",
"id": "GHSA-7c3v-2wvg-8frc",
"modified": "2025-04-20T03:49:54Z",
"published": "2022-05-13T01:44:26Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2017-17593"
},
{
"type": "WEB",
"url": "https://packetstormsecurity.com/files/145247/Simple-Chatting-System-1.0.0-Arbitrary-File-Upload.html"
},
{
"type": "WEB",
"url": "https://www.exploit-db.com/exploits/43237"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-7C5R-R7CR-56W7
Vulnerability from github – Published: 2024-05-16 06:30 – Updated: 2024-08-01 21:31** UNSUPPORTED WHEN ASSIGNED ** A vulnerability classified as critical was found in D-Link DAR-7000-40 V31R02B1413C. Affected by this vulnerability is an unknown functionality of the file /user/onlineuser.php. The manipulation of the argument file_upload leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-264529 was assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.
{
"affected": [],
"aliases": [
"CVE-2024-4961"
],
"database_specific": {
"cwe_ids": [
"CWE-434"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2024-05-16T06:15:15Z",
"severity": "MODERATE"
},
"details": "** UNSUPPORTED WHEN ASSIGNED ** A vulnerability classified as critical was found in D-Link DAR-7000-40 V31R02B1413C. Affected by this vulnerability is an unknown functionality of the file /user/onlineuser.php. The manipulation of the argument file_upload leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier VDB-264529 was assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer. NOTE: Vendor was contacted early and confirmed immediately that the product is end-of-life. It should be retired and replaced.",
"id": "GHSA-7c5r-r7cr-56w7",
"modified": "2024-08-01T21:31:40Z",
"published": "2024-05-16T06:30:51Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2024-4961"
},
{
"type": "WEB",
"url": "https://github.com/h0e4a0r1t/h0e4a0r1t.github.io/blob/master/2024/%3CWHB%7Cj%5CIbSU0m4%3A_/D-LINK-DAR-7000_upload_%20onlineuser.php.pdf"
},
{
"type": "WEB",
"url": "https://supportannouncement.us.dlink.com/security/publication.aspx?name=SAP10354"
},
{
"type": "WEB",
"url": "https://vuldb.com/?ctiid.264529"
},
{
"type": "WEB",
"url": "https://vuldb.com/?id.264529"
},
{
"type": "WEB",
"url": "https://vuldb.com/?submit.333779"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
},
{
"score": "CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X",
"type": "CVSS_V4"
}
]
}
GHSA-7C74-CFCR-227G
Vulnerability from github – Published: 2025-08-05 09:30 – Updated: 2025-08-05 09:30The WP Import Export Lite plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the 'wpie_parse_upload_data' function in all versions up to, and including, 3.9.29. This makes it possible for authenticated attackers, with Subscriber-level access and above, and permissions granted by an Administrator, to upload arbitrary files on the affected site's server which may make remote code execution possible. The vulnerability was partially patched in version 3.9.29.
{
"affected": [],
"aliases": [
"CVE-2025-5061"
],
"database_specific": {
"cwe_ids": [
"CWE-434"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-08-05T08:15:26Z",
"severity": "HIGH"
},
"details": "The WP Import Export Lite plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the \u0027wpie_parse_upload_data\u0027 function in all versions up to, and including, 3.9.29. This makes it possible for authenticated attackers, with Subscriber-level access and above, and permissions granted by an Administrator, to upload arbitrary files on the affected site\u0027s server which may make remote code execution possible. The vulnerability was partially patched in version 3.9.29.",
"id": "GHSA-7c74-cfcr-227g",
"modified": "2025-08-05T09:30:34Z",
"published": "2025-08-05T09:30:34Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2025-5061"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/wp-import-export-lite/trunk/includes/classes/import/class-wpie-upload-validate.php#L24"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/browser/wp-import-export-lite/trunk/includes/classes/import/class-wpie-upload-validate.php#L89"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/changeset/3323402"
},
{
"type": "WEB",
"url": "https://plugins.trac.wordpress.org/changeset/3338701"
},
{
"type": "WEB",
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/5c0f3248-fef6-48a5-b2e1-f2778528fba1?source=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-7C9H-Q97P-3HVV
Vulnerability from github – Published: 2023-09-12 21:30 – Updated: 2024-04-04 07:38The Gotham Cerberus service was found to have a stored cross-site scripting (XSS) vulnerability that could have allowed an attacker with access to Gotham to launch attacks against other users. This vulnerability is resolved in Cerberus 100.230704.0-27-g031dd58 .
{
"affected": [],
"aliases": [
"CVE-2023-30962"
],
"database_specific": {
"cwe_ids": [
"CWE-434",
"CWE-79"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-09-12T19:15:36Z",
"severity": "MODERATE"
},
"details": "The Gotham Cerberus service was found to have a stored cross-site scripting (XSS) vulnerability that could have allowed an attacker with access to Gotham to launch attacks against other users. This vulnerability is resolved in Cerberus 100.230704.0-27-g031dd58 .",
"id": "GHSA-7c9h-q97p-3hvv",
"modified": "2024-04-04T07:38:19Z",
"published": "2023-09-12T21:30:16Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-30962"
},
{
"type": "WEB",
"url": "https://palantir.safebase.us/?tcuUid=92dd599a-07e2-43a8-956a-9c9566794be0"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:N/A:N",
"type": "CVSS_V3"
}
]
}
GHSA-7CFV-8GR7-HVW3
Vulnerability from github – Published: 2023-12-29 03:30 – Updated: 2023-12-29 03:30A vulnerability, which was classified as critical, was found in gopeak MasterLab up to 3.3.10. Affected is the function base64ImageContent of the file app/ctrl/User.php. The manipulation of the argument image leads to unrestricted upload. It is possible to launch the attack remotely. VDB-249150 is the identifier assigned to this vulnerability.
{
"affected": [],
"aliases": [
"CVE-2023-7147"
],
"database_specific": {
"cwe_ids": [
"CWE-434"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2023-12-29T03:15:11Z",
"severity": "MODERATE"
},
"details": "A vulnerability, which was classified as critical, was found in gopeak MasterLab up to 3.3.10. Affected is the function base64ImageContent of the file app/ctrl/User.php. The manipulation of the argument image leads to unrestricted upload. It is possible to launch the attack remotely. VDB-249150 is the identifier assigned to this vulnerability.",
"id": "GHSA-7cfv-8gr7-hvw3",
"modified": "2023-12-29T03:30:29Z",
"published": "2023-12-29T03:30:29Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-7147"
},
{
"type": "WEB",
"url": "https://note.zhaoj.in/share/affd8cjn50HC"
},
{
"type": "WEB",
"url": "https://vuldb.com/?ctiid.249150"
},
{
"type": "WEB",
"url": "https://vuldb.com/?id.249150"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
"type": "CVSS_V3"
}
]
}
GHSA-7CH9-34JX-WQHR
Vulnerability from github – Published: 2026-07-02 15:32 – Updated: 2026-07-02 15:32The Divi Form Builder plugin for WordPress is vulnerable to Arbitrary File Upload leading to Remote Code Execution in all versions up to and including 5.1.8. This is due to insufficient file extension validation in the do_image_upload() function where user-supplied input from the acceptFileTypes POST parameter is directly interpolated into a regular expression used to validate uploaded files. Attackers can specify PHP-executable extensions such as .phtml, .phar, .php5, or .php7 to bypass the plugin's .htaccess protection which only blocks .php files specifically. Additionally, on Nginx-based servers, the .htaccess protection is completely ineffective as Nginx does not process .htaccess files. This makes it possible for unauthenticated attackers (who can obtain a nonce from any public page containing a form) to upload executable PHP files to the publicly accessible /wp-content/uploads/de_fb_uploads/ directory and achieve Remote Code Execution by accessing the uploaded file via HTTP. The vulnerability was partially patched in version 5.1.3.
{
"affected": [],
"aliases": [
"CVE-2026-5524"
],
"database_specific": {
"cwe_ids": [
"CWE-434"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2026-07-02T13:17:00Z",
"severity": "CRITICAL"
},
"details": "The Divi Form Builder plugin for WordPress is vulnerable to Arbitrary File Upload leading to Remote Code Execution in all versions up to and including 5.1.8. This is due to insufficient file extension validation in the do_image_upload() function where user-supplied input from the acceptFileTypes POST parameter is directly interpolated into a regular expression used to validate uploaded files. Attackers can specify PHP-executable extensions such as .phtml, .phar, .php5, or .php7 to bypass the plugin\u0027s .htaccess protection which only blocks .php files specifically. Additionally, on Nginx-based servers, the .htaccess protection is completely ineffective as Nginx does not process .htaccess files. This makes it possible for unauthenticated attackers (who can obtain a nonce from any public page containing a form) to upload executable PHP files to the publicly accessible /wp-content/uploads/de_fb_uploads/ directory and achieve Remote Code Execution by accessing the uploaded file via HTTP. The vulnerability was partially patched in version 5.1.3.",
"id": "GHSA-7ch9-34jx-wqhr",
"modified": "2026-07-02T15:32:12Z",
"published": "2026-07-02T15:32:12Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2026-5524"
},
{
"type": "WEB",
"url": "https://diviengine.com/divi-form-builder-changelog"
},
{
"type": "WEB",
"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/9692deb2-2526-4983-8a13-93a382e230c8?source=cve"
}
],
"schema_version": "1.4.0",
"severity": [
{
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
"type": "CVSS_V3"
}
]
}
GHSA-7CM9-XR5M-957V
Vulnerability from github – Published: 2022-05-24 17:44 – Updated: 2022-05-24 17:44Arbitrary file upload in the PowerPress WordPress plugin, versions before 8.3.8, did not verify some of the uploaded feed images (such as the ones from Podcast Artwork section), allowing high privilege accounts (admin+) being able to upload arbitrary files, such as php, leading to RCE.
{
"affected": [],
"aliases": [
"CVE-2021-24123"
],
"database_specific": {
"cwe_ids": [
"CWE-434"
],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2021-03-18T15:15:00Z",
"severity": "HIGH"
},
"details": "Arbitrary file upload in the PowerPress WordPress plugin, versions before 8.3.8, did not verify some of the uploaded feed images (such as the ones from Podcast Artwork section), allowing high privilege accounts (admin+) being able to upload arbitrary files, such as php, leading to RCE.",
"id": "GHSA-7cm9-xr5m-957v",
"modified": "2022-05-24T17:44:48Z",
"published": "2022-05-24T17:44:48Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2021-24123"
},
{
"type": "WEB",
"url": "https://wpscan.com/vulnerability/43aa30bf-eaf8-467a-93a1-78f9bdb37b36"
}
],
"schema_version": "1.4.0",
"severity": []
}
Mitigation
Generate a new, unique filename for an uploaded file instead of using the user-supplied filename, so that no external input is used at all.[REF-422] [REF-423]
Mitigation MIT-21
Strategy: Enforcement by Conversion
When the set of acceptable objects, such as filenames or URLs, is limited or known, create a mapping from a set of fixed input values (such as numeric IDs) to the actual filenames or URLs, and reject all other inputs.
Mitigation
Consider storing the uploaded files outside of the web document root entirely. Then, use other mechanisms to deliver the files dynamically. [REF-423]
Mitigation MIT-5
Strategy: Input Validation
- Assume all input is malicious. Use an "accept known good" input validation strategy, i.e., use a list of acceptable inputs that strictly conform to specifications. Reject any input that does not strictly conform to specifications, or transform it into something that does.
- When performing input validation, consider all potentially relevant properties, including length, type of input, the full range of acceptable values, missing or extra inputs, syntax, consistency across related fields, and conformance to business rules. As an example of business rule logic, "boat" may be syntactically valid because it only contains alphanumeric characters, but it is not valid if the input is only expected to contain colors such as "red" or "blue."
- Do not rely exclusively on looking for malicious or malformed inputs. This is likely to miss at least one undesirable input, especially if the code's environment changes. This can give attackers enough room to bypass the intended validation. However, denylists can be useful for detecting potential attacks or determining which inputs are so malformed that they should be rejected outright.
- For example, limiting filenames to alphanumeric characters can help to restrict the introduction of unintended file extensions.
Mitigation
Define a very limited set of allowable extensions and only generate filenames that end in these extensions. Consider the possibility of XSS (CWE-79) before allowing .html or .htm file types.
Mitigation
Strategy: Input Validation
Ensure that only one extension is used in the filename. Some web servers, including some versions of Apache, may process files based on inner extensions so that "filename.php.gif" is fed to the PHP interpreter.[REF-422] [REF-423]
Mitigation
When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.
Mitigation MIT-15
For any security checks that are performed on the client side, ensure that these checks are duplicated on the server side, in order to avoid CWE-602. Attackers can bypass the client-side checks by modifying values after the checks have been performed, or by changing the client to remove the client-side checks entirely. Then, these modified values would be submitted to the server.
Mitigation
Do not rely exclusively on sanity checks of file contents to ensure that the file is of the expected type and size. It may be possible for an attacker to hide code in some file segments that will still be executed by the server. For example, GIF images may contain a free-form comments field.
Mitigation
Do not rely exclusively on the MIME content type or filename attribute when determining how to render a file. Validating the MIME content type and ensuring that it matches the extension is only a partial solution.
Mitigation MIT-17
Strategy: Environment Hardening
Run your code using the lowest privileges that are required to accomplish the necessary tasks [REF-76]. If possible, create isolated accounts with limited privileges that are only used for a single task. That way, a successful attack will not immediately give the attacker access to the rest of the software or its environment. For example, database applications rarely need to run as the database administrator, especially in day-to-day operations.
Mitigation MIT-22
Strategy: Sandbox or Jail
- Run the code in a "jail" or similar sandbox environment that enforces strict boundaries between the process and the operating system. This may effectively restrict which files can be accessed in a particular directory or which commands can be executed by the software.
- OS-level examples include the Unix chroot jail, AppArmor, and SELinux. In general, managed code may provide some protection. For example, java.io.FilePermission in the Java SecurityManager allows the software to specify restrictions on file operations.
- This may not be a feasible solution, and it only limits the impact to the operating system; the rest of the application may still be subject to compromise.
- Be careful to avoid CWE-243 and other weaknesses related to jails.
CAPEC-1: Accessing Functionality Not Properly Constrained by ACLs
In applications, particularly web applications, access to functionality is mitigated by an authorization framework. This framework maps Access Control Lists (ACLs) to elements of the application's functionality; particularly URL's for web apps. In the case that the administrator failed to specify an ACL for a particular element, an attacker may be able to access it with impunity. An attacker with the ability to access functionality not properly constrained by ACLs can obtain sensitive information and possibly compromise the entire application. Such an attacker can access resources that must be available only to users at a higher privilege level, can access management sections of the application, or can run queries for data that they otherwise not supposed to.