CVE-2021-24587: Zeesweb Splash Header

Medium severity, CVSS 5.4. EPSS: 0.6% chance of exploitation in the next 30 days.

The Splash Header WordPress plugin before 1.20.8 doesn't sanitise and escape some of its settings while outputting them in the admin dashboard, leading to an authenticated Stored Cross-Site Scripting issue.

Affected products

• Zeesweb Splash Header: before 1.20.8 (fixed in 1.20.8)

Published 2021-09-20. Last modified 2026-06-17.