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.

5969 vulnerabilities reference this CWE, most recent first.

CVE-2024-51789 (GCVE-0-2024-51789)

Vulnerability from cvelistv5 – Published: 2024-11-11 05:57 – Updated: 2026-04-28 16:10
VLAI
Title
WordPress Image Classify plugin <= 1.0.0 - Arbitrary File Upload vulnerability
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in UjW0L Image Classify image-classify allows Upload a Web Shell to a Web Server.This issue affects Image Classify: from n/a through <= 1.0.0.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
UjW0L Image Classify Affected: 0 , ≤ 1.0.0 (custom)
Create a notification for this product.
ujwol image_classify Affected: 0 , ≤ 1.0.0 (custom)
    cpe:2.3:a:ujwol:image_classify:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-04-01 16:29
Credits
stealthcopter | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2024-51788 (GCVE-0-2024-51788)

Vulnerability from cvelistv5 – Published: 2024-11-11 05:59 – Updated: 2026-04-28 16:10
VLAI
Title
WordPress The Novel Design Store Directory plugin <= 4.3.0 - Arbitrary File Upload vulnerability
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in Joshua Wolfe The Novel Design Store Directory noveldesign-store-directory allows Upload a Web Shell to a Web Server.This issue affects The Novel Design Store Directory: from n/a through <= 4.3.0.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
Joshua Wolfe The Novel Design Store Directory Affected: 0 , ≤ 4.3.0 (custom)
Create a notification for this product.
joshua_wolfe the_novel_design_store_directory Affected: 0 , ≤ 4.3.0 (custom)
    cpe:2.3:a:joshua_wolfe:the_novel_design_store_directory:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-04-01 16:29
Credits
stealthcopter | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2024-51743 (GCVE-0-2024-51743)

Vulnerability from cvelistv5 – Published: 2024-11-18 20:04 – Updated: 2024-11-19 14:50
VLAI
Title
Arbitrary File Write leading up to remote code execution (instructor accounts)
Summary
MarkUs is a web application for the submission and grading of student assignments. In versions prior to 2.4.8, an arbitrary file write vulnerability in the update/upload/create file methods in Controllers allows authenticated instructors to write arbitrary files to any location on the web server MarkUs is running on (depending on the permissions of the underlying filesystem). e.g. This can lead to a delayed remote code execution in case an attacker is able to write a Ruby file into the config/initializers/ subfolder of the Ruby on Rails application. MarkUs v2.4.8 has addressed this issue. No known workarounds are available at the application level aside from upgrading.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
MarkUsProject Markus Affected: < 2.4.8
Create a notification for this product.
markusproject markus Affected: 0 , < 2.4.8 (custom)
    cpe:2.3:a:markusproject:markus:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2024-51548 (GCVE-0-2024-51548)

Vulnerability from cvelistv5 – Published: 2024-12-05 12:52 – Updated: 2024-12-05 14:39
VLAI
Title
Dangerous File Upload
Summary
Dangerous File Upload vulnerabilities allow upload of malicious scripts.  Affected products: ABB ASPECT - Enterprise v3.08.02; NEXUS Series v3.08.02; MATRIX Series v3.08.02
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
ABB
Impacted products
Vendor Product Version
ABB ASPECT-Enterprise Affected: 0 , ≤ 3.08.02 (custom)
Create a notification for this product.
ABB NEXUS Series Affected: 0 , ≤ 3.08.02 (custom)
Create a notification for this product.
ABB MATRIX Series Affected: 0 , ≤ 3.08.02 (custom)
Create a notification for this product.
abb aspect_enterprise Affected: 0 , ≤ 3.08.02 (custom)
    cpe:2.3:a:abb:aspect_enterprise:*:*:*:*:*:*:*:*
Create a notification for this product.
abb nexus_series Affected: 0 , ≤ 3.08.02 (custom)
    cpe:2.3:a:abb:nexus_series:*:*:*:*:*:*:*:*
Create a notification for this product.
abb matrix_series Affected: 0 , ≤ 3.08.02 (custom)
    cpe:2.3:a:abb:matrix_series:*:*:*:*:*:*:*:*
Create a notification for this product.
Credits
ABB likes to thank Gjoko Krstikj, Zero Science Lab, for reporting the vulnerabilities in responsible disclosure
Show details on NVD website

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CVE-2024-51499 (GCVE-0-2024-51499)

Vulnerability from cvelistv5 – Published: 2024-11-18 19:52 – Updated: 2024-11-18 20:14
VLAI
Title
MarkUs Arbitrary File Write leading up to remote code execution (student accounts)
Summary
MarkUs is a web application for the submission and grading of student assignments. In versions prior to 2.4.8, an arbitrary file write vulnerability accessible via the update_files method of the SubmissionsController allows authenticated users (e.g. students) to write arbitrary files to any location on the web server MarkUs is running on (depending on the permissions of the underlying filesystem). e.g. This can lead to a delayed remote code execution in case an attacker is able to write a Ruby file into the config/initializers/ subfolder of the Ruby on Rails application. MarkUs v2.4.8 has addressed this issue. No known workarounds are available at the application level aside from upgrading.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
MarkUsProject Markus Affected: < 2.4.8
Create a notification for this product.
Show details on NVD website

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CVE-2024-50623 (GCVE-0-2024-50623)

Vulnerability from cvelistv5 – Published: 2024-10-27 00:00 – Updated: 2025-10-21 22:55
VLAI
Summary
In Cleo Harmony before 5.8.0.21, VLTrader before 5.8.0.21, and LexiCom before 5.8.0.21, there is an unrestricted file upload and download that could lead to remote code execution.
SSVC
Exploitation: active Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
Impacted products
Vendor Product Version
cleo harmomy Affected: 0 , < 5.8.0.21 (custom)
    cpe:2.3:a:cleo:harmomy:*:*:*:*:*:*:*:*
Create a notification for this product.
cleo vltrader Affected: 0 , < 5.8.0.21 (custom)
    cpe:2.3:a:cleo:vltrader:*:*:*:*:*:*:*:*
Create a notification for this product.
cleo lexicom Affected: 0 , < 5.8.0.21 (custom)
    cpe:2.3:a:cleo:lexicom:*:*:*:*:*:*:*:*
Create a notification for this product.
Show details on NVD website

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CVE-2024-50531 (GCVE-0-2024-50531)

Vulnerability from cvelistv5 – Published: 2024-11-04 13:39 – Updated: 2026-04-28 16:10
VLAI
Title
WordPress RSVPMaker for Toastmasters plugin <= 6.2.4 - Arbitrary File Upload vulnerability
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in davidfcarr RSVPMaker for Toastmasters rsvpmaker-for-toastmasters allows Upload a Web Shell to a Web Server.This issue affects RSVPMaker for Toastmasters: from n/a through <= 6.2.4.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
davidfcarr RSVPMaker for Toastmasters Affected: 0 , ≤ 6.2.4 (custom)
Create a notification for this product.
davidfcarr rsvpmarker Affected: 0 , ≤ 6.2.4 (custom)
    cpe:2.3:a:davidfcarr:rsvpmarker:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-04-01 16:28
Credits
stealthcopter | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2024-50530 (GCVE-0-2024-50530)

Vulnerability from cvelistv5 – Published: 2024-11-04 13:40 – Updated: 2026-04-28 16:10
VLAI
Title
WordPress Stars SMTP Mailer plugin <= 2.2.1 - Arbitrary File Upload vulnerability
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in Myriad Solutionz Stars SMTP Mailer stars-smtp-mailer allows Upload a Web Shell to a Web Server.This issue affects Stars SMTP Mailer: from n/a through <= 2.2.1.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
Myriad Solutionz Stars SMTP Mailer Affected: 0 , ≤ 2.2.1 (custom)
Create a notification for this product.
myriad_solutionz stars_smtp_mailer Affected: 0 , ≤ 1.7 (custom)
    cpe:2.3:a:myriad_solutionz:stars_smtp_mailer:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-04-01 16:28
Credits
stealthcopter | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2024-50529 (GCVE-0-2024-50529)

Vulnerability from cvelistv5 – Published: 2024-11-04 13:41 – Updated: 2026-05-11 21:37
VLAI
Title
WordPress Training – Courses plugin <= 2.0.1 - Arbitrary File Upload vulnerability
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in rudrainn Training – Courses training allows Upload a Web Shell to a Web Server.This issue affects Training – Courses: from n/a through <= 2.0.1.
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
rudrainn Training – Courses Affected: 0 , ≤ 2.0.1 (custom)
Create a notification for this product.
rudra_innovative_software training_courses Affected: 0 , ≤ 2.0.1 (custom)
    cpe:2.3:a:rudra_innovative_software:training_courses:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-04-01 16:28
Credits
stealthcopter | Patchstack Bug Bounty Program
Show details on NVD website

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CVE-2024-50527 (GCVE-0-2024-50527)

Vulnerability from cvelistv5 – Published: 2024-11-04 13:42 – Updated: 2026-05-11 21:38
VLAI
Title
WordPress Stacks Mobile App Builder plugin <= 5.2.3 - Arbitrary File Upload vulnerability
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in Stacks Stacks Mobile App Builder stacks-mobile-app-builder allows Upload a Web Shell to a Web Server.This issue affects Stacks Mobile App Builder: from n/a through <= 5.2.3.
SSVC
Exploitation: none Automatable: yes Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
Stacks Stacks Mobile App Builder Affected: 0 , ≤ 5.2.3 (custom)
Create a notification for this product.
stacks stacks_mobile_app_builder Affected: 0 , ≤ 5.2.3 (custom)
    cpe:2.3:a:stacks:stacks_mobile_app_builder:*:*:*:*:*:*:*:*
Create a notification for this product.
Date Public
2026-04-01 16:28
Credits
stealthcopter | Patchstack Bug Bounty Program
Show details on NVD website

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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.