CVE-2025-21624: ClipBucket V5 Playlist Cover File Upload to Remote Code Execution
ClipBucket V5 provides open source video hosting with PHP. Prior to 5.5.1 - 239, a file upload vulnerability exists in the Manage Playlist functionality of the application, specifically surrounding the uploading of playlist cover images. Without proper checks, an attacker can upload a PHP script file instead of an image file, thus allowing a webshell or other malicious files to be stored and executed on the server. This attack vector exists in both the admin area and low-level user area. This vulnerability is fixed in 5.5.1 - 239.
Affected Software
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Event History
Frequently Asked Questions
What is the severity of CVE-2025-21624?
CVE-2025-21624 is considered a medium severity vulnerability due to its file upload exploitation potential.
How do I fix CVE-2025-21624?
To fix CVE-2025-21624, upgrade ClipBucket V5 to version 5.5.1 or later.
What type of vulnerability is CVE-2025-21624?
CVE-2025-21624 is a file upload vulnerability in the Manage Playlist functionality of ClipBucket V5.
Which versions of ClipBucket are affected by CVE-2025-21624?
Versions prior to ClipBucket V5.5.1 are affected by CVE-2025-21624.
What can an attacker do with CVE-2025-21624?
An attacker can exploit CVE-2025-21624 to upload malicious files through the playlist cover image upload feature.