Arbitrary file upload in Coppermine Coppermine-Gallery
CVE-2023-53868
Coppermine Gallery 1.6.25 contains a remote code execution vulnerability that allows authenticated attackers to upload malicious PHP files through the plugin manager. Attackers can upload a zipped PHP file with system commands to the plugin directory and execute arbitrary code by accessing the uploaded plugin script.
Vulnerability class: Unrestricted File Upload
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.009 (56.5th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 57th percentile — 56.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.008 · newest: 0.009 · change: +0.000
Affected products
- Coppermine Coppermine-Gallery — versions 1.6.25
- Coppermine-Gallery Coppermine Photo Gallery — versions 1.6.25
Weakness classification (CWE)
References
- www.exploit-db.com/exploits/51738 (Exploit, Third Party Advisory, exploit)
- web.archive.org/web/20240101151648/https://coppermine-gallery.net/ (Product, product)
- www.vulncheck.com/advisories/coppermine-gallery-remote-code-execution-via-plugi… (Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2023-53868?
- CVE-2023-53868 is a high-severity vulnerability in Coppermine Coppermine-Gallery, classified under Unrestricted Upload of File with Dangerous Type. CVSS score: 8.8/10. Published 2025-12-15.
- How severe is CVE-2023-53868?
- High severity. CVSS v3 base score is 8.8 out of 10.