CVE-2020-11026: Debian Linux

Medium severity, CVSS 5.4. EPSS: 2.1% chance of exploitation in the next 30 days.

In affected versions of WordPress, files with a specially crafted name when uploaded to the Media section can lead to script execution upon accessing the file. This requires an authenticated user with privileges to upload files. 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 8.0 only; version 9.0 only; version 10.0 only
• WordPress WordPress: from 3.7, before 3.7.33 (fixed in 3.7.33); from 3.8, before 3.8.33 (fixed in 3.8.33); from 3.9, before 3.9.31 (fixed in 3.9.31); from 4.0, before 4.0.30 (fixed in 4.0.30); from 4.1, before 4.1.30 (fixed in 4.1.30); from 4.2, before 4.2.27 (fixed in 4.2.27); …

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