CVE-2021-40541: PHP-Fusion Phpfusion

Medium severity, CVSS 6.1. EPSS: 0.6% chance of exploitation in the next 30 days.

PHPFusion 9.03.110 is affected by cross-site scripting (XSS) in the preg patterns filter html tag without "//" in descript() function An authenticated user can trigger XSS by appending "//" in the end of text.

Affected products

• PHP-Fusion Phpfusion: version 9.03.110 only

Published 2021-10-11. Last modified 2026-06-17.