CVE-2025-41041: 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[code]', 'data[lang][0][key]', 'data[lang][0][value]', 'data[lang][1][key]' and 'data[title]' parameters in /apprain/developer/language/default.xml.

Affected products

• Apprain Apprain: version 4.0.5 only

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