CVE-2020-11025: Debian Linux

Medium severity, CVSS 5.4. EPSS: 1.5% chance of exploitation in the next 30 days.

In affected versions of WordPress, a cross-site scripting (XSS) vulnerability in the navigation section of Customizer allows JavaScript code to be executed. Exploitation requires an authenticated user. This has been patched in version 5.4.1, along with all the previously affected versions via a minor release (5.3.3, 5.2.6, 5.1.5, 5.0.9, 4.9.14, 4.8.13, 4.7.17, 4.6.18, 4.5.21, 4.4.22, 4.3.23, 4.2.27, 4.1.30, 4.0.30, 3.9.31, 3.8.33, 3.7.33).

Affected products

• Debian Debian Linux: version 9.0 only; version 10.0 only
• WordPress WordPress: from 4.7, before 5.4.1 (fixed in 5.4.1)

Published 2020-04-30. Last modified 2026-06-17.