CVE-2025-3900: Colorbox Project Colorbox

Medium severity, CVSS 6.1. EPSS: 0.3% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Drupal Colorbox allows Cross-Site Scripting (XSS).This issue affects Colorbox: from 0.0.0 before 2.1.3.

Affected products

• Colorbox Project Colorbox: before 2.1.3 (fixed in 2.1.3)

Published 2025-04-23. Last modified 2026-06-17.