XSS in Siemens Polarion V2404

CVE-2025-40587

A vulnerability has been identified in Polarion V2404 (All versions < V2404.5), Polarion V2410 (All versions < V2410.2). The affected application allows arbitrary JavaScript code be included in document titles. This could allow an authenticated remote attacker to conduct a stored cross-site scripting attack by creating specially crafted document titles that are later viewed by other users of the application.

Vulnerability class: XSS (Cross-Site Scripting)

Published · last modified .

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (17.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 18th percentile — 17.8% 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-2025-40587: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-40587?
CVE-2025-40587 is a high-severity vulnerability in Siemens Polarion V2404, classified under Cross-site Scripting. CVSS score: 7.6/10. Published 2026-02-10.
How severe is CVE-2025-40587?
High severity. CVSS v3 base score is 7.6 out of 10.