CVE-2025-49855: Meks Flexible Shortcodes

Medium severity, CVSS 6.5. EPSS: 0.2% chance of exploitation in the next 30 days.

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Meks Meks Flexible Shortcodes meks-flexible-shortcodes allows DOM-Based XSS.This issue affects Meks Flexible Shortcodes: from n/a through <= 1.3.7.

Affected products

• Meks Meks Flexible Shortcodes: up to and including 1.3.7

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