CVE-2020-12639: Phplist

Medium severity, CVSS 6.1. EPSS: 0.7% chance of exploitation in the next 30 days.

phpList before 3.5.3 allows XSS, with resultant privilege elevation, via lists/admin/template.php.

Affected products

• Phplist Phplist: before 3.5.3 (fixed in 3.5.3)

Published 2020-05-04. Last modified 2026-06-17.