CVE-2025-2537: Denis-De-Bernardy Auto Thickbox

Medium severity, CVSS 6.4. EPSS: 0.3% chance of exploitation in the next 30 days.

Multiple plugins for WordPress are vulnerable to Stored Cross-Site Scripting via the plugin's bundled ThickBox JavaScript library (version 3.1) in various versions due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page.

Affected products

• Denis-De-Bernardy Auto Thickbox: up to and including 3.5
• Smub Photo Gallery, Sliders, Proofing And Themes – NextGen Gallery: up to and including 3.59.11
• Wpdevart YouTube Embed, Playlist And Popup By Wpdevart: up to and including 2.6.7

Published 2025-07-03. Last modified 2026-06-17.