CVE-2025-52035: Exe-System Notescms

Medium severity, CVSS 6.1. EPSS: 0.2% chance of exploitation in the next 30 days.

A vulnerability in NotesCMS and specifically in the page /index.php?route=notes. The manipulation of the title of the service descriptions leads to a stored XSS vulnerability. The issue was confirmed to be present in the source code as of commit 7d821a0f028b0778b245b99ab3d3bff1ac10e2d3 (dated 2024-05-08) and was fixed in commit 95322c5121dbd7070f3bd54f2848079654a0a8ea (dated 2025-03-31). The attack can be launched remotely.

Affected products

• Exe-System Notescms: from 2024-05-08, before 2025-05-31 (fixed in 2025-05-31)

Published 2025-08-26. Last modified 2026-06-17.