CVE-2021-24979: Strangerstudios Paid Memberships Pro

Medium severity, CVSS 6.1. EPSS: 1.9% chance of exploitation in the next 30 days.

The Paid Memberships Pro WordPress plugin before 2.6.6 does not escape the s parameter before outputting it back in an attribute in an admin page, leading to a Reflected Cross-Site Scripting

Affected products

• Strangerstudios Paid Memberships Pro: before 2.6.6 (fixed in 2.6.6)

Published 2021-12-27. Last modified 2026-06-17.