Arbitrary file upload in Oxygenz Clipbucket
CVE-2025-55912
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
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.3 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L.
EPSS exploit prediction
EPSS: 0.015 (74.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 75th percentile — 74.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.015 · newest: 0.015 · change: -0.000
Affected products
Weakness classification (CWE)
Public proof-of-concept exploits
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 (Patch, Mitigation)
- github.com/MacWarrior/clipbucket-v5/releases (Release Notes)
- medium.com/@mukund.s1337/cve-2025-55912-clipbucket-5-5-0-unauthenticated-arbitr… (Exploit, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-55912?
- CVE-2025-55912 is a high-severity vulnerability in Oxygenz Clipbucket, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 7.3/10. Published 2025-09-18.
- How severe is CVE-2025-55912?
- High severity. CVSS v3 base score is 7.3 out of 10.
- Is CVE-2025-55912 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.