CVE-2023-53868 HIGH

CVE-2023-53868: Coppermine Gallery 1.6.25 Remote Code Execution via Plugin Upload

Vendor Coppermine
Product coppermine-gallery
Weakness CWE-434 · Unrestricted file upload
Published December 15, 2025
Last update April 7, 2026

CVSS base score

8.7/10
Attack vector Network
Attack complexity Low
Privileges required Low
User interaction None
Confidentiality
Integrity

CVSS vector

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N

What the vulnerability does

01Description

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.

Key dates

02Disclosure timeline

December 15, 2025 CVE published
April 7, 2026 Record updated