Vulnerability DatabaseCVE-2025-23921

CVE-2025-23921:
WordPress vulnerability analysis and mitigation

Overview

The CVE-2025-23921 is an Unrestricted Upload of File with Dangerous Type vulnerability affecting the Multi Uploader for Gravity Forms WordPress plugin through version 1.1.3. The vulnerability was discovered by Colin Xu and was publicly disclosed on January 16, 2025 (Patchstack).

Technical details

The vulnerability exists due to missing file type validation in the Multi Uploader for Gravity Forms plugin, which allows for arbitrary file uploads. The severity is rated as Critical with a CVSS v3.1 Base Score of 9.0 (CRITICAL) and vector string CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H. The vulnerability is classified under CWE-434 (Unrestricted Upload of File with Dangerous Type) (NVD, Patchstack).

Impact

This vulnerability makes it possible for unauthenticated attackers to upload arbitrary files on the affected site's server, which could lead to remote code execution. The vulnerability allows attackers to upload web shells to the web server, potentially giving them complete control over the affected website (WPScan).

Mitigation and workarounds

Currently, there is no official fix available for this vulnerability. Patchstack has issued a virtual patch to mitigate this issue by blocking any attacks until an official fix becomes available. Website owners are advised to mitigate or resolve the vulnerability immediately (Patchstack).

Additional resources

Source: This report was generated using AI

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