CVE-2021-24837: Passster Project Passter

Medium severity, CVSS 5.4. EPSS: 0.4% chance of exploitation in the next 30 days.

The Passster WordPress plugin before 3.5.5.8 does not escape the area parameter of its shortcode, which could allow users with a role as low as Contributor to perform Cross-Site Scripting attacks.

Affected products

• Passster Project Passter: before 3.5.5.8 (fixed in 3.5.5.8)

Published 2023-01-23. Last modified 2026-06-17.