Coppermine Gallery 1.6.25 Remote Code Execution via Plugin Upload

Advisories

severity: high
date: December 15, 2025
Affecting: coppermine-gallery 1.6.25
CVE: CVE-2023-53868
CWE: CWE-434 Unrestricted Upload of File with Dangerous Type
CVSS: 8.7
CVSS V4 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
References: ExploitDB-51738
Coppermine Gallery Archived Product Webpage
Credit: Mirabbas Ağalarov
Description: 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.