CVE-2025-21624 ClipBucket V5 Playlist Cover File Upload to Remote Code Execution
Attackers can upload malicious PHP scripts via playlist covers to execute arbitrary code on the server.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-21624?
CVE-2025-21624 is a critical vulnerability in MacWarrior clipbucket-v5, published on 7 Jan 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-434
Which versions are affected by CVE-2025-21624?
It affects 1 product.
Products include Oxygenz Clipbucket.
How do I fix CVE-2025-21624?
No fix has been published for CVE-2025-21624 yet. Limit exposure of the affected software until one is available.
Is CVE-2025-21624 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-21624 exists.
Other vulnerabilities in MacWarrior clipbucket-v5
- CVE-2026-21875 ClipBucket v5 Vulnerable to Blind SQL Injection through Channel Comments
- CVE-2025-67418 Hardcoded credentials in n/a
- CVE-2024-54135 Untrusted Deserialization in ClipBucket-v5 Version 2.0 to 5.5.1 Revision 199
- CVE-2024-54136 Untrusted Deserialization in ClipBucket-v5 Version 5.5.1 Revision 199 and Below
- CVE-2026-25728 ClipBucket v5 Affected by Remote Code Execution via Avatar/Background File Upload Race Condition
Sources
Also known as GHSA-98vm-2xqm-xrcc.