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

High 8.7 Published 15 Dec 2025 Updated 7 Apr 2026

Authenticated attackers can upload malicious PHP files via the plugin manager to execute arbitrary code on the server.

Exploited in the wild: Not known
Login needed: Any signed-in user
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2023-53868?

CVE-2023-53868 is a high-severity vulnerability in coppermine-gallery, published on 15 Dec 2025. Any signed-in user can exploit it over the network, with no action from the victim.

Official 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.

Weakness: CWE-434

Which versions are affected by CVE-2023-53868?

It affects 1 product.

Products include Coppermine-Gallery Coppermine Photo Gallery.

How do I fix CVE-2023-53868?

No fix has been published for CVE-2023-53868 yet. Limit exposure of the affected software until one is available.

Is CVE-2023-53868 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2023-53868 exists.

Sources

Also known as GHSA-89cc-v8rr-9h8w.