CVE-2012-2633: WordPress Wassup Plugin

Medium severity, CVSS 4.3. EPSS: 2.1% chance of exploitation in the next 30 days.

Cross-site scripting (XSS) vulnerability in wassup.php in the WassUp plugin before 1.8.3.1 for WordPress allows remote attackers to inject arbitrary web script or HTML via the User-Agent HTTP header.

Affected products

• WordPress Wassup Plugin: up to and including 1.8.3; version 1.4 only; version 1.4.3 only; version 1.7.2 only; version 1.7.2.1 only; version 1.8 only; …

Published 2012-06-15. Last modified 2026-06-16.