CVE-2025-21624CWE-434

ClipBucket V5 Playlist Cover File Upload to Remote Code Execution

Critical · published January 7, 2025

CVSS v3.1
9.8
EPSS
1%
Percentile
68.8
In the wild
Unconfirmed
What it is

🔥 An attacker can upload a sneaky PHP script disguised as a playlist cover image, opening the door to remote code execution in ClipBucket V5 before version 5.5.1-239! Think of it like a restaurant allowing guests to bring in their own desserts, but without checking if they’re actually food or a dangerous surprise — one wrong cake could spoil the entire feast! Basically, if someone exploits this, they could store and run any malicious file on your server, potentially gaining complete control over your system. That’s absolutely devastating for your data security and privacy!

Put simply

Think of it like a restaurant allowing guests to bring in their own desserts, but without checking if they’re actually food or a dangerous surprise — one wrong cake could spoil the entire feast! This vulnerability in ClipBucket allows an attacker to upload PHP files instead of image files due to a lack of proper validation during the playlist cover image upload process.

What to do

Basically, if someone exploits this, they could store and run any malicious file on your server, potentially gaining complete control over your system. That’s absolutely devastating for your data security and privacy! To protect your systems, upgrade to ClipBucket version 5.5.1-239 or later immediately and ensure you implement additional checks on uploaded files to verify their types. Regularly audit your current installations for vulnerabilities and keep them up to date! You’ve got this! Follow these steps and secure your video hosting platform like a pro! 🛡️

The record
Technical detail
CVSS v3.1
9.8 · CRITICAL
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.01234 · 68.8th percentile
Weakness
CWE-434 · Unrestricted Upload of File with Dangerous Type
Published
2025-01-07T15:46Z
EPSS history
Timeline
  • 07 JAN 15:46Z
    ClipBucket V5 Playlist Cover File Upload to Remote Code Execution
    cvelistv5