CVE-2021-38354: GNU-Mailman Integration Project GNU-Mailman Integration

Medium severity, CVSS 6.1. EPSS: 0.9% chance of exploitation in the next 30 days.

The GNU-Mailman Integration WordPress plugin is vulnerable to Reflected Cross-Site Scripting via the gm_error parameter found in the ~/includes/admin/mailing-lists-page.php file which allows attackers to inject arbitrary web scripts, in versions up to and including 1.0.6.

Affected products

• GNU-Mailman Integration Project GNU-Mailman Integration: up to and including 1.0.6

Published 2021-09-10. Last modified 2026-06-17.