ClipBucket V5 Unauthenticated Template Directory Update to Denial-of-Service
Priority HIGH 72CWE-22Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service, Security bypass
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-22, CWE-306 and the CVSS impact.
Summary
ClipBucket V5 provides open source video hosting with PHP. Prior to 5.5.1 - 238, ClipBucket V5 allows unauthenticated attackers to change the template directory via a directory traversal, which results in a denial of service.
Why it matters now
Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.01181 67th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- Poc
- Automatable
- Yes
- Technical impact
- Partial
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 - 238 | — | No fix listed | CNA |
- clipbucket-v5 VendorMacWarrior Affected < 5.5.1 - 238 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:oxygenz:clipbucket:*:*:*:*:*:*:*:* | 5.3 to before 5.5.1-238 | Vulnerable | MacWarrior |
- cpe:2.3:a:oxygenz:clipbucket:*:*:*:*:*:*:*:* Versions 5.3 to before 5.5.1-238 Vulnerable ·MacWarrior
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2025-21623
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-2025-15584 ClipBucket V5 Playlist Cover File Upload to Remote Code Execution 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
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences