XSS in Jetbrains Youtrack

CVE-2025-57731

In JetBrains YouTrack before 2025.2.92387 stored XSS was possible via Mermaid diagram content

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.001 (24.9th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-57731?
CVE-2025-57731 is a high-severity vulnerability in Jetbrains Youtrack, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2025-08-20.
How severe is CVE-2025-57731?
High severity. CVSS v3 base score is 8.7 out of 10.