CVE-2025-3516: Archetyped Simple Lightbox

Medium severity, CVSS 5.9. EPSS: 0.3% chance of exploitation in the next 30 days.

The Simple Lightbox WordPress plugin before 2.9.4 does not validate and escape some of its attributes before outputting them back in a page/post, which could allow users with the contributor role and above to perform Stored Cross-Site Scripting attacks.

Affected products

• Archetyped Simple Lightbox: before 2.9.4 (fixed in 2.9.4)

Published 2025-05-16. Last modified 2026-06-17.