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.

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

EPSS: 0.007 (51.0th percentile) — read the EPSS interpretation.

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.

Affected products

Coppermine Coppermine-gallery — versions 1.6.25
Coppermine-gallery Coppermine_photo_gallery — versions 1.6.25

Weakness classification (CWE)

CWE-434 — Unrestricted Upload of File with Dangerous Type

References

disclosure@vulncheck.com (Exploit, Third Party Advisory, exploit)
disclosure@vulncheck.com (Product, product)
disclosure@vulncheck.com (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.