Description
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
Affected products
oxygenz: clipbucket
References4
- github.com/MacWarrior/clipbucket-v5/blob/5.5.0/upload/actions/p… Patch
- github.com/MacWarrior/clipbucket-v5/tree/5.5.0 MitigationPatch
- medium.com/@mukund.s1337/cve-2025-55912-clipbucket-5-5-0-unauth… ExploitThird Party Advisory
- github.com/MacWarrior/clipbucket-v5/releases?page=2 Release Notes
Metrics
- CVSS 3.1
-
7.3
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L - EPSS — exploit probability
- 2% percentile: 75 · as of 8 November 2026
- CWE
- CWE-434
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.