Common Weakness Enumeration

CWE-434

Allowed

Unrestricted Upload of File with Dangerous Type

Abstraction: Base · Status: Draft

API response cwe.mitre.org

The product allows the upload or transfer of dangerous file types that are automatically processed within its environment.

6008 vulnerabilities reference this CWE, most recent first.

CVE-2024-25994 (GCVE-0-2024-25994)

Vulnerability from cvelistv5 – Published: 2024-03-12 08:10 – Updated: 2025-01-24 06:47
VLAI
Title
PHOENIX CONTACT: Unintended script file upload in CHARX Series
Summary
An unauthenticated remote attacker can upload a arbitrary script file due to improper input validation. The upload destination is fixed and is write only.
Severity
5.3 (Medium)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
SSVC
Exploitation: none Automatable: yes 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
PHOENIX CONTACT CHARX SEC-3000 Affected: 0 , ≤ 1.5.0 (semver)
Create a notification for this product.
PHOENIX CONTACT CHARX SEC-3050 Affected: 0 , ≤ 1.5.0 (semver)
Create a notification for this product.
PHOENIX CONTACT CHARX SEC-3100 Affected: 0 , ≤ 1.5.0 (semver)
Create a notification for this product.
PHOENIX CONTACT CHARX SEC-3150 Affected: 0 , ≤ 1.5.0 (semver)
Create a notification for this product.
phoenixcontact charx_sec_3000 Affected: 0 , ≤ 1.5.0 (custom)
    cpe:2.3:a:phoenixcontact:charx_sec_3000:*:*:*:*:*:*:*:*
 Create a notification for this product.
phoenixcontact charx_sec_3050 Affected: 0 , ≤ 1.5.0 (custom)
    cpe:2.3:a:phoenixcontact:charx_sec_3050:*:*:*:*:*:*:*:*
 Create a notification for this product.
phoenixcontact charx_sec_3100 Affected: 0 , ≤ 1.5.0 (custom)
    cpe:2.3:a:phoenixcontact:charx_sec_3100:*:*:*:*:*:*:*:*
 Create a notification for this product.
phoenixcontact charx_sec_3150 Affected: 0 , ≤ 1.5.0 (custom)
    cpe:2.3:a:phoenixcontact:charx_sec_3150:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Alex Plaskett of NCC Group McClaulay Hudson of NCC Group
Show details on NVD website
To clipboard 

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CVE-2024-25925 (GCVE-0-2024-25925)

Vulnerability from cvelistv5 – Published: 2024-02-26 15:09 – Updated: 2026-04-28 16:09
VLAI
Title
WordPress WooCommerce Easy Checkout Field Editor, Fees & Discounts Plugin <= 3.5.12 is vulnerable to Arbitrary File Upload
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in SYSBASICS WooCommerce Easy Checkout Field Editor, Fees & Discounts.This issue affects WooCommerce Easy Checkout Field Editor, Fees & Discounts: from n/a through 3.5.12.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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
SYSBASICS WooCommerce Easy Checkout Field Editor, Fees & Discounts Affected: n/a , ≤ 3.5.12 (custom)
Create a notification for this product.
sysbasics woocommerce_easy_checkout_field_editor Affected: 0 , ≤ 3.5.12 (custom)
    cpe:2.3:a:sysbasics:woocommerce_easy_checkout_field_editor:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Dave Jong (Patchstack)
Show details on NVD website
To clipboard 

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CVE-2024-25913 (GCVE-0-2024-25913)

Vulnerability from cvelistv5 – Published: 2024-02-26 15:15 – Updated: 2026-04-28 16:09
VLAI
Title
WordPress MoveTo Plugin <= 6.2 is vulnerable to Arbitrary File Upload
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in Skymoonlabs MoveTo.This issue affects MoveTo: from n/a through 6.2.
Severity
10 (Critical)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
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
Skymoonlabs MoveTo Affected: n/a , ≤ 6.2 (custom)
Create a notification for this product.
skymoonlabs moveto Affected: 0 , ≤ 6.2 (custom)
    cpe:2.3:a:skymoonlabs:moveto:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Dave Jong (Patchstack)
Show details on NVD website
To clipboard 

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CVE-2024-25909 (GCVE-0-2024-25909)

Vulnerability from cvelistv5 – Published: 2024-02-26 15:28 – Updated: 2026-04-28 16:09
VLAI
Title
WordPress WP Media folder Plugin <= 5.7.2 is vulnerable to Arbitrary File Upload
Summary
Unrestricted Upload of File with Dangerous Type vulnerability in JoomUnited WP Media folder.This issue affects WP Media folder: from n/a through 5.7.2.
Severity
9.9 (Critical)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H
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
JoomUnited WP Media folder Affected: n/a , ≤ 5.7.2 (custom)
Create a notification for this product.
joomunited wp_media_folder Affected: 0 , ≤ 5.7.2 (custom)
    cpe:2.3:a:joomunited:wp_media_folder:*:*:*:*:*:*:*:*
 Create a notification for this product.
Credits
Dave Jong (Patchstack)
Show details on NVD website
To clipboard 

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CVE-2024-25636 (GCVE-0-2024-25636)

Vulnerability from cvelistv5 – Published: 2024-02-19 19:42 – Updated: 2024-08-15 18:36
VLAI
Title
Lack of media type verification of Activity Streams objects allows impersonation and takeover of remote accounts
Summary
Misskey is an open source, decentralized social media platform with ActivityPub support. Prior to version 2024.2.0, when fetching remote Activity Streams objects, Misskey doesn't check that the response from the remote server has a `Content-Type` header value of the Activity Streams media type, which allows a threat actor to upload a crafted Activity Streams document to a remote server and make a Misskey instance fetch it, if the remote server accepts arbitrary user uploads. The vulnerability allows a threat actor to impersonate and take over an account on a remote server that satisfies all of the following properties: allows the threat actor to register an account; accepts arbitrary user-uploaded documents and places them on the same domain as legitimate Activity Streams actors; and serves user-uploaded document in response to requests with an `Accept` header value of the Activity Streams media type. Version 2024.2.0 contains a patch for the issue.
Severity
7.1 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:H/A:N
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
misskey-dev misskey Affected: < 2024.2.0
Create a notification for this product.
misskey misskey Affected: 0 , < 2024.2.0 (custom)
    cpe:2.3:a:misskey:misskey:*:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2024-25627 (GCVE-0-2024-25627)

Vulnerability from cvelistv5 – Published: 2024-02-16 20:27 – Updated: 2024-08-26 14:48
VLAI
Title
Cross-Site Scripting (XSS) via File Upload in Alf.io
Summary
Alf.io is a free and open source event attendance management system. An administrator on the alf.io application is able to upload HTML files that trigger JavaScript payloads. As such, an attacker gaining administrative access to the alf.io application may be able to persist access by planting an XSS payload. This issue has been addressed in version 2.0-M4-2402. Users are advised to upgrade. There are no known workarounds for this vulnerability.
Severity
3.5 (Low)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:U/C:L/I:L/A:N
SSVC
Exploitation: poc Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
References
Impacted products
Vendor Product Version
alfio-event alf.io Affected: < 2.0-M4-2304
Create a notification for this product.
alfio-event alf.io Affected: 0 , < 2.0-m4-2304 (custom)
    cpe:2.3:a:alfio-event:alf.io:*:*:*:*:*:*:*:*
 Create a notification for this product.
Show details on NVD website
To clipboard 

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CVE-2024-25623 (GCVE-0-2024-25623)

Vulnerability from cvelistv5 – Published: 2024-02-19 15:28 – Updated: 2024-08-01 23:44
VLAI
Title
Lack of media type verification of Activity Streams objects allows impersonation of remote accounts
Summary
Mastodon is a free, open-source social network server based on ActivityPub. Prior to versions 4.2.7, 4.1.15, 4.0.15, and 3.5.19, when fetching remote statuses, Mastodon doesn't check that the response from the remote server has a `Content-Type` header value of the Activity Streams media type, which allows a threat actor to upload a crafted Activity Streams document to a remote server and make a Mastodon server fetch it, if the remote server accepts arbitrary user uploads. The vulnerability allows a threat actor to impersonate an account on a remote server that satisfies all of the following properties: allows the attacker to register an account; accepts arbitrary user-uploaded documents and places them on the same domain as the ActivityPub actors; and serves user-uploaded document in response to requests with an `Accept` header value of the Activity Streams media type. Versions 4.2.7, 4.1.15, 4.0.15, and 3.5.19 contain a fix for this issue.
Severity
8.5 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:H/A:N
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
mastodon mastodon Affected: < 3.5.19
Affected: >= 4.0.0, < 4.0.15
Affected: >= 4.1.0, < 4.1.15
Affected: >= 4.2.0, < 4.2.7
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CVE-2024-25034 (GCVE-0-2024-25034)

Vulnerability from cvelistv5 – Published: 2025-01-24 15:25 – Updated: 2025-02-12 20:01
VLAI
Title
IBM Planning Analytics file upload
Summary
IBM Planning Analytics 2.0 and 2.1 could be vulnerable to malicious file upload by not validating the type of file in the File Manager T1 process. Attackers can make use of this weakness and upload malicious executable files into the system that can be sent to victims for performing further attacks.
Severity
8 (High)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
SSVC
Exploitation: none Automatable: no Technical Impact: total
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
ibm
References
Impacted products
Vendor Product Version
IBM Planning Analytics Local Affected: 2.0, 2.1
    cpe:2.3:a:ibm:planning_analytics_local:2.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:planning_analytics_local:2.1.0:*:*:*:*:*:*:*
 Create a notification for this product.
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CVE-2024-25020 (GCVE-0-2024-25020)

Vulnerability from cvelistv5 – Published: 2024-12-03 17:12 – Updated: 2024-12-03 17:55
VLAI
Title
IBM Cognos Controller file upload
Summary
IBM Cognos Controller 11.0.0 and 11.0.1 is vulnerable to malicious file upload by allowing unrestricted filetype attachments in the Journal entry page. Attackers can make use of this weakness and upload malicious executable files into the system and can be sent to victims for performing further attacks.
Severity
5.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
ibm
References
Impacted products
Vendor Product Version
IBM Cognos Controller Affected: 11.0.0, 11.0.1
    cpe:2.3:a:ibm:cognos_controller:11.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:cognos_controller:11.0.1:*:*:*:*:*:*:*
 Create a notification for this product.
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CVE-2024-25019 (GCVE-0-2024-25019)

Vulnerability from cvelistv5 – Published: 2024-12-03 16:29 – Updated: 2024-12-03 16:49
VLAI
Title
IBM Cognos Controller file upload
Summary
IBM Cognos Controller 11.0.0 and 11.0.1 could be vulnerable to malicious file upload by not validating the type of file uploaded to Journal entry attachments. Attackers can make use of this weakness and upload malicious executable files into the system that can be sent to victims for performing further attacks.
Severity
5.5 (Medium)
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator (v2.0.3)
CWE
  • CWE-434 - Unrestricted Upload of File with Dangerous Type
Assigner
ibm
References
Impacted products
Vendor Product Version
IBM Cognos Controller Affected: 11.0.0, 11.0.1
    cpe:2.3:a:ibm:cognos_controller:11.0.0:*:*:*:*:*:*:*
    cpe:2.3:a:ibm:cognos_controller:11.0.1:*:*:*:*:*:*:*
 Create a notification for this product.
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            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L",
            "version": "3.1"
          },
          "format": "CVSS",
          "scenarios": [
            {
              "lang": "en",
              "value": "GENERAL"
            }
          ]
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-434",
              "description": "CWE-434 Unrestricted Upload of File with Dangerous Type",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2024-12-03T16:29:12.827Z",
        "orgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
        "shortName": "ibm"
      },
      "references": [
        {
          "url": "https://www.ibm.com/support/pages/node/7177220"
        }
      ],
      "source": {
        "discovery": "UNKNOWN"
      },
      "title": "IBM Cognos Controller file upload",
      "x_generator": {
        "engine": "Vulnogram 0.2.0"
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "9a959283-ebb5-44b6-b705-dcc2bbced522",
    "assignerShortName": "ibm",
    "cveId": "CVE-2024-25019",
    "datePublished": "2024-12-03T16:29:12.827Z",
    "dateReserved": "2024-02-03T14:48:56.577Z",
    "dateUpdated": "2024-12-03T16:49:24.555Z",
    "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.

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