XSS in Exe-System Notescms

CVE-2025-52037

A vulnerability has been found in NotesCMS and classified as medium. Affected by this vulnerability is the page /index.php?route=sites. 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. CWE Definition of the Vulnerability: CWE-79.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

EPSS exploit prediction

EPSS: 0.002 (8.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 8th percentile — 8.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-52037: held from 0.002 to 0.002.

EPSS over last 30 days · oldest: 0.002 · newest: 0.002 · change: 0.000

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2025-52037?
CVE-2025-52037 is a medium-severity vulnerability in Exe-System Notescms, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2025-08-26.
How severe is CVE-2025-52037?
Medium severity. CVSS v3 base score is 6.1 out of 10.
Is CVE-2025-52037 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.