CVE-2025-55912 json
An issue in ClipBucket 5.5.0 and prior versions allows an unauthenticated attacker can exploit the plupload endpoint in photo_uploader.php…
published 2025-09-18 13 mo ago modified 2026-11-05 3 d ago also EUVD-2025-29853
- cvss
- 7.3
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.5%
- EPSS 1.5% chance of exploitation in 30 days, percentile 74%
- public exploits
- 1
- Exploit-DB
Summary
An issue in ClipBucket 5.5.0 and prior versions allows an unauthenticated attacker can exploit the plupload endpoint in photo_uploader.php to upload arbitrary files without any authentication, due to missing access controls in the upload handler
Patch / fix
Timeline
- First public exploit (EDB-52435)
- Published
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- partial
- Assessed
- 13 mo ago
Exploit prediction
1.53% chance of exploitation in the next 30 days, higher than 74% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- EDB-52435 ClipBucket 5.5.0 - Arbitrary File Upload remote, 2025-09-16
- medium.com https://medium.com/@mukund.s1337/cve-2025-55912-clipbucket-5-5-0-unauthenticated-arbitrary-file-upload-rce-720c0c0fbc58 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CISA ADP | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
| CNA | 3.1 | 7.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L |
Classification
- Weakness
-
- CWE-434 Unrestricted Upload of File with Dangerous Type
References
-
github.com
/MacWarrior/clipbucket-v5/blob/5.5.0/upload/actions/photo_uploader.php
patch
-
github.com
/MacWarrior/clipbucket-v5/tree/5.5.0
mitigation, patch
-
medium.com
/@mukund.s1337/cve-2025-55912-clipbucket-5-5-0-unauthenticated-arbitrary-file-upload-rce-720c0c0fbc58
exploit, third-party-advisory
-
github.com
/MacWarrior/clipbucket-v5/releases?page=2
release-notes
Sources
- CVE List CVE-2025-55912
- NVD CVE-2025-55912
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.