CVE-2021-24592: Yoohooplugins Sitewide Notice

Medium severity, CVSS 4.8. EPSS: 0.6% chance of exploitation in the next 30 days.

The Sitewide Notice WP WordPress plugin before 2.3 does not sanitise some of its settings before outputting them in frontend pages, allowing high privilege users to perform Cross-Site Scripting attacks even when the unfiltered_html capability is disallowed

Affected products

• Yoohooplugins Sitewide Notice: before 2.3 (fixed in 2.3)

Published 2021-08-30. Last modified 2026-06-17.