CVE-2025-21624
CVSS v3
9.8
CRITICAL
EPSS Score
25.2 %
exploit probability
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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.
Technical details
- Published
- 2025-01-07
Frequently asked questions
What is CVE-2025-21624?
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.
Is CVE-2025-21624 actively exploited?
Active exploitation of CVE-2025-21624 has not been confirmed. The EPSS score is 25.2%, indicating the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2025-21624?
CVE-2025-21624 has a CVSS v3 base score of 9.8 (CRITICAL severity).
Is CVE-2025-21624 affecting your environment?
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