ClipBucket V5 Playlist Cover File Upload to Remote Code Execution
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-434.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| MacWarrior | clipbucket-v5 | < 5.5.1 - 239 | — | No fix listed | CNA |
- clipbucket-v5 VendorMacWarrior Affected < 5.5.1 - 239 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:oxygenz:clipbucket:*:*:*:*:*:*:*:* | 5.3 to before 5.5.1-239 | Vulnerable | MacWarrior |
- cpe:2.3:a:oxygenz:clipbucket:*:*:*:*:*:*:*:* Versions 5.3 to before 5.5.1-239 Vulnerable ·MacWarrior
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-21624
References
More MacWarrior Clipbucket vulnerabilities
- TI-2026-17576 ClipBucket v5 Vulnerable to Blind SQL Injection through Channel Comments CVSS 3.1CRITICAL 9.8
- TI-2025-41207 ClipBucket 5.5.2 is affected by an improper access control issue where the product is… CVSS 3.1CRITICAL 9.8
- TI-2024-36252 Untrusted Deserialization in ClipBucket-v5 Version 5.5.1 Revision 199 and Below CVSS 3.1CRITICAL 9.8
- TI-2024-36251 Untrusted Deserialization in ClipBucket-v5 Version 2.0 to 5.5.1 Revision 199 CVSS 3.1CRITICAL 9.8
- TI-2026-20797 ClipBucket v5 Affected by Remote Code Execution via Avatar/Background File Upload Race Condition CVSS 4.0CRITICAL 9.3
- TI-2025-15582 ClipBucket V5 Avatar URL Path Traversal to Arbitrary File Delete CVSS 3.1CRITICAL 9.1
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences