Description
In JetBrains TeamCity before 2025.11 stored XSS was possible via session attribute
Affected products
jetbrains: teamcity
References1
- www.jetbrains.com/privacy-security/issues-fixed/ Issue TrackingVendor Advisory
Metrics
- CVSS 3.1
-
5.4
MEDIUM
Score source: NVD
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N - EPSS — exploit probability
- 1% percentile: 46 · as of 11 November 2026
- CWE
- CWE-79
Could this be exploited in your environment?
A patch closes the known hole. A penetration test shows what an attacker can still reach — with proof.