CVE-2022-1724: Simple-Membership-Plugin Simple Membership

Medium severity, CVSS 6.1. EPSS: 1.8% chance of exploitation in the next 30 days.

The Simple Membership WordPress plugin before 4.1.1 does not properly sanitise and escape parameters before outputting them back in AJAX actions, leading to Reflected Cross-Site Scripting

Affected products

• Simple-Membership-Plugin Simple Membership: before 4.1.1 (fixed in 4.1.1)

Published 2022-06-13. Last modified 2026-06-17.