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JetBrains TeamCity Reflected Cross-Site Scripting Vulnerability in VCS Root Setup

Vulnerability

A reflected cross-site scripting vulnerability has been identified in JetBrains TeamCity versions prior to 2025.11. This issue allows an attacker to inject malicious scripts into the VCS Root setup, which are then executed in the context of the user's browser.

Impact

Exploitation of this vulnerability allows for reflected cross-site scripting, where an attacker can inject malicious scripts that are executed in the context of the user's browser.

Remediation

Users can upgrade to TeamCity version 2025.11 or later to address this vulnerability.

Added: Dec 16, 2025, 6:50 PM
Updated: Dec 16, 2025, 6:50 PM

Vulnerability Rating

Custom Algorithm
spread
5.0
impact
1.7
exploitability
6.4
remediation
7.7
relevance
1.5
threat
0.0
urgency
2.9
incentive
1.7

Our algorithm analyzes dozens of metrics to generate these 8 key vulnerability categories, which are then combined to calculate the overall risk score.