Common Weakness Enumeration

CWE-434

Allowed

Unrestricted 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.

5966 vulnerabilities reference this CWE, most recent first.

CVE-2015-10135 (GCVE-0-2015-10135)

Vulnerability from cvelistv5 – Published: 2025-07-19 09:23 – Updated: 2026-04-08 16:45
VLAI
Title
WPshop 2 – E-Commerce < 1.3.9.6 - Arbitrary File Upload
Summary
The WPshop 2 – E-Commerce plugin for WordPress is vulnerable to arbitrary file uploads due to missing file type validation in the ajaxUpload function in versions before 1.3.9.6. This makes it possible for unauthenticated attackers to upload arbitrary files on the affected sites server which may make remote code execution possible.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
Impacted products
Vendor Product Version
eoxia WPshop 2 – E-Commerce Affected: 0 , < 1.3.9.6 (semver)
Create a notification for this product.
Credits
James Hooker
Show details on NVD website

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CVE-2015-10087 (GCVE-0-2015-10087)

Vulnerability from cvelistv5 – Published: 2023-03-07 14:28 – Updated: 2024-08-06 08:58 Unsupported When Assigned
VLAI
Title
UpThemes Theme DesignFolio Plus unrestricted upload
Summary
** UNSUPPORTED WHEN ASSIGNED ** A vulnerability has been found in UpThemes Theme DesignFolio Plus 1.2 on WordPress and classified as problematic. Affected by this vulnerability is an unknown functionality. The manipulation leads to unrestricted upload. The attack can be launched remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 53f6ae62878076f99718e5feb589928e83c879a9. It is recommended to apply a patch to fix this issue. The identifier VDB-221809 was assigned to this vulnerability. NOTE: This vulnerability only affects products that are no longer supported by the maintainer.
CWE
Assigner
Impacted products
Show details on NVD website

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CVE-2015-1785 (GCVE-0-2015-1785)

Vulnerability from cvelistv5 – Published: 2022-07-07 12:34 – Updated: 2024-08-06 04:54
VLAI
Summary
In nextgen-galery wordpress plugin before 2.0.77.3 there are two vulnerabilities which can allow an attacker to gain full access over the web application. The vulnerabilities lie in how the application validates user uploaded files and lack of security measures preventing unwanted HTTP requests.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a nextgen-gallery Affected: nextgen-gallery 2.0.77.3
Show details on NVD website

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CVE-2015-1784 (GCVE-0-2015-1784)

Vulnerability from cvelistv5 – Published: 2022-07-07 12:34 – Updated: 2024-08-06 04:54
VLAI
Summary
In nextgen-galery wordpress plugin before 2.0.77.3 there are two vulnerabilities which can allow an attacker to gain full access over the web application. The vulnerabilities lie in how the application validates user uploaded files and lack of security measures preventing unwanted HTTP requests.
Severity
No CVSS data available.
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a nextgen-gallery Affected: nextgen-gallery 2.0.77.3
Show details on NVD website

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CVE-2015-0796 (GCVE-0-2015-0796)

Vulnerability from cvelistv5 – Published: 2018-03-02 20:00 – Updated: 2024-09-16 23:56
VLAI
Title
open build service source server symlink exploitation via source patch
Summary
In open buildservice 2.6 before 2.6.3, 2.5 before 2.5.7 and 2.4 before 2.4.8 the source service patch application could generate non-standard files like symlinks or device nodes, which could allow buildservice users to break of confinement or cause denial of service attacks on the source service.
CWE
  • creation of non-standard files
  • CWE-434
Assigner
References
Impacted products
Vendor Product Version
SUSE open build service Affected: 2.6 , < 2.6.3 (custom)
Affected: 2.5 , < 2.5.7 (custom)
Affected: 2.4 , < 2.4.8 (custom)
Create a notification for this product.
Date Public
2015-08-13 00:00
Credits
Marcus Hüwe
Show details on NVD website

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CVE-2014-125126 (GCVE-0-2014-125126)

Vulnerability from cvelistv5 – Published: 2025-07-31 15:01 – Updated: 2026-07-15 01:23
VLAI
Title
Simple E-Document Arbitrary File Upload RCE
Summary
An unrestricted file upload vulnerability exists in Simple E-Document versions 3.0 to 3.1 that allows an unauthenticated attacker to bypass authentication by sending a specific cookie header (access=3) with HTTP requests. The application’s upload mechanism fails to restrict file types and does not validate or sanitize user-supplied input, allowing attackers to upload malicious .php scripts. Authentication can be bypassed entirely by supplying a specially crafted cookie (access=3), granting access to the upload functionality without valid credentials. If file uploads are enabled on the server, the attacker can upload a web shell and gain remote code execution with the privileges of the web server user, potentially leading to full system compromise.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
  • CWE-306 - Missing Authentication for Critical Function
Assigner
Impacted products
Vendor Product Version
Simple E-Document Simple E-Document Affected: 3.0 , ≤ 3.1 (custom)
Create a notification for this product.
Date Public
2014-01-29 00:00
Credits
vinicius777
Show details on NVD website

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CVE-2014-125119 (GCVE-0-2014-125119)

Vulnerability from cvelistv5 – Published: 2025-07-25 15:59 – Updated: 2026-05-14 02:06 X_Known Exploited Vulnerability
VLAI
Title
WinRAR < 5.00 Filename Spoofing RCE
Summary
A filename spoofing vulnerability exists in WinRAR when opening specially crafted ZIP archives. The issue arises due to inconsistencies between the Central Directory and Local File Header entries in ZIP files. When viewed in WinRAR, the file name from the Central Directory is displayed to the user, while the file from the Local File Header is extracted and executed. An attacker can leverage this flaw to spoof filenames and trick users into executing malicious payloads under the guise of harmless files, potentially leading to remote code execution.
SSVC
Exploitation: poc Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-20 - Improper Input Validation
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
Impacted products
Vendor Product Version
RARLab WinRAR Affected: 3.80 , < 3.91 (custom)
Affected: 4.11 , < 5.00 (custom)
Create a notification for this product.
Credits
chr1x
Show details on NVD website

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CVE-2014-125116 (GCVE-0-2014-125116)

Vulnerability from cvelistv5 – Published: 2025-07-25 15:51 – Updated: 2026-04-07 14:03
VLAI
Title
HybridAuth 2.0.9 - 2.2.2 Unauthenticated RCE via install.php Configuration Injection
Summary
A remote code execution vulnerability exists in HybridAuth versions 2.0.9 through 2.2.2 due to insecure use of the install.php installation script. The script remains accessible after deployment and fails to sanitize input before writing to the application’s config.php file. An unauthenticated attacker can inject arbitrary PHP code into config.php, which is later executed when the file is loaded. This allows attackers to achieve remote code execution on the server. Exploitation of this issue will overwrite the existing configuration, rendering the application non-functional.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
  • CWE-306 - Missing Authentication for Critical Function
Assigner
Impacted products
Vendor Product Version
HybridAuth HybridAuth Affected: 2.0.9 , ≤ 2.2.2 (semver)
Create a notification for this product.
Date Public
2014-08-06 00:00
Credits
Pichaya Morimoto
Show details on NVD website

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CVE-2014-125113 (GCVE-0-2014-125113)

Vulnerability from cvelistv5 – Published: 2025-08-05 19:58 – Updated: 2026-05-14 02:06
VLAI
Title
Dell/Quest KACE K1000 Unauthenticated File Upload RCE
Summary
An unrestricted file upload vulnerability exists in Dell (acquired by Quest) KACE K1000 System Management Appliance version 5.0 - 5.3, 5.4 prior to 5.4.76849, and 5.5 prior to 5.5.90547 in the download_agent.php endpoint. An attacker can upload arbitrary PHP files to a temporary web-accessible directory, which are later executed through inclusion in backend code that loads files under attacker-controlled paths.
SSVC
Exploitation: poc Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
  • CWE-306 - Missing Authentication for Critical Function
Assigner
Impacted products
Vendor Product Version
Dell/Quest KACE K1000 Systems Management Appliance Affected: 5.0 , ≤ 5.3 (custom)
Affected: 5.4 , < 5.4.76849 (custom)
Affected: 5.5 , < 5.5.90547 (custom)
Create a notification for this product.
Date Public
2016-04-13 00:00
Credits
Bradley Austin
Show details on NVD website

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CVE-2014-125104 (GCVE-0-2014-125104)

Vulnerability from cvelistv5 – Published: 2023-06-01 13:00 – Updated: 2025-03-05 18:58
VLAI
Title
VaultPress Plugin MailPoet Plugin class.vaultpress-hotfixes.php protect_aioseo_ajax unrestricted upload
Summary
A vulnerability was found in VaultPress Plugin up to 1.6.0 on WordPress. It has been declared as critical. Affected by this vulnerability is the function protect_aioseo_ajax of the file class.vaultpress-hotfixes.php of the component MailPoet Plugin. The manipulation leads to unrestricted upload. The attack can be launched remotely. Upgrading to version 1.6.1 is able to address this issue. The patch is named e3b92b14edca6291c5f998d54c90cbe98a1fb0e3. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-230263.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
Assigner
References
Impacted products
Vendor Product Version
n/a VaultPress Plugin Affected: 1.0
Affected: 1.1
Affected: 1.2
Affected: 1.3
Affected: 1.4
Affected: 1.5
Affected: 1.6
Credits
VulDB GitHub Commit Analyzer
Show details on NVD website

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          "value": "In VaultPress Plugin bis 1.6.0 f\u00fcr WordPress wurde eine kritische Schwachstelle ausgemacht. Dabei geht es um die Funktion protect_aioseo_ajax der Datei class.vaultpress-hotfixes.php der Komponente MailPoet Plugin. Dank der Manipulation mit unbekannten Daten kann eine unrestricted upload-Schwachstelle ausgenutzt werden. Die Umsetzung des Angriffs kann dabei \u00fcber das Netzwerk erfolgen. Ein Aktualisieren auf die Version 1.6.1 vermag dieses Problem zu l\u00f6sen. Der Patch wird als e3b92b14edca6291c5f998d54c90cbe98a1fb0e3 bezeichnet. Als bestm\u00f6gliche Massnahme wird das Einspielen eines Upgrades empfohlen."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.1"
          }
        },
        {
          "cvssV3_0": {
            "baseScore": 6.3,
            "baseSeverity": "MEDIUM",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:L",
            "version": "3.0"
          }
        },
        {
          "cvssV2_0": {
            "baseScore": 6.5,
            "vectorString": "AV:N/AC:L/Au:S/C:P/I:P/A:P",
            "version": "2.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-434",
              "description": "CWE-434 Unrestricted Upload",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-10-20T07:23:41.076Z",
        "orgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
        "shortName": "VulDB"
      },
      "references": [
        {
          "tags": [
            "vdb-entry",
            "technical-description"
          ],
          "url": "https://vuldb.com/?id.230263"
        },
        {
          "tags": [
            "signature",
            "permissions-required"
          ],
          "url": "https://vuldb.com/?ctiid.230263"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/wp-plugins/vaultpress/commit/e3b92b14edca6291c5f998d54c90cbe98a1fb0e3"
        },
        {
          "tags": [
            "patch"
          ],
          "url": "https://github.com/wp-plugins/vaultpress/releases/tag/1.6.1"
        }
      ],
      "timeline": [
        {
          "lang": "en",
          "time": "2014-07-01T00:00:00.000Z",
          "value": "Advisory disclosed"
        },
        {
          "lang": "en",
          "time": "2014-07-01T00:00:00.000Z",
          "value": "Countermeasure disclosed"
        },
        {
          "lang": "en",
          "time": "2023-05-30T00:00:00.000Z",
          "value": "CVE reserved"
        },
        {
          "lang": "en",
          "time": "2023-05-30T02:00:00.000Z",
          "value": "VulDB entry created"
        },
        {
          "lang": "en",
          "time": "2023-06-24T14:46:50.000Z",
          "value": "VulDB entry last update"
        }
      ],
      "title": "VaultPress Plugin MailPoet Plugin class.vaultpress-hotfixes.php protect_aioseo_ajax unrestricted upload"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "1af790b2-7ee1-4545-860a-a788eba489b5",
    "assignerShortName": "VulDB",
    "cveId": "CVE-2014-125104",
    "datePublished": "2023-06-01T13:00:04.016Z",
    "dateReserved": "2023-05-30T19:51:50.724Z",
    "dateUpdated": "2025-03-05T18:58:37.698Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Mitigation
Architecture and Design

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
Architecture and Design

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
Architecture and Design

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
Implementation

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
Architecture and Design

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
Implementation

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
Implementation

When running on a web server that supports case-insensitive filenames, perform case-insensitive evaluations of the extensions that are provided.

Mitigation MIT-15
Architecture and Design

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
Implementation

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
Implementation

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
Architecture and Design Operation

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
Architecture and Design Operation

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.