CVE-2026-82483: coppermine-gallery Coppermine Photo Gallery Hidden Album Update Endpoint db_input.php cross site scripting

Vulnerability summary

CVE-2026-82483 is a medium (CVSS 5.1) Cross-site Scripting vulnerability in coppermine-gallery coppermine_photo_gallery. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 27.1% of scored vulnerabilities. 1 public exploit is recorded.

Timeline

1. 30-08-2026
   PublishedVulnerability first disclosed.
2. 31-08-2026
   Last modifiedVulnerability information updated.

Description

A vulnerability was detected in coppermine-gallery Coppermine Photo Gallery up to 1.6.28. This impacts an unknown function of the file db_input.php of the component Hidden Album Update Endpoint. The manipulation results in cross site scripting. The attack can be launched remotely. The exploit is now public and may be used. Upgrading to version 1.6.29 will fix this issue. It is recommended to upgrade the affected component.

• CWE-79Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.
• CWE-94Improper Control of Generation of Code ('Code Injection')The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.