CVE-2025-41042: Apprain

Medium severity, CVSS 5.4. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability has been discovered in appRain CMF version 4.0.5, consisting of a stored authenticated XSS due to a lack of proper validation of user input, through the 'data[Option][message]', 'data[Option][subject]' and 'data[Option][templatetype]' parameters in /apprain/information/manage/emailtemplate/add.

Affected products

• Apprain Apprain: version 4.0.5 only

Published 2025-09-04. Last modified 2026-06-17.