Stored XSS Vulnerability in JetBrains TeamCity Affecting GitHub Checks Webhook
CVE-2025-47851

5.4MEDIUM

Key Information:

Vendor

Jetbrains
Status
Teamcity
Vendor
CVE Published:
20 May 2025

What is CVE-2025-47851?

A stored XSS vulnerability exists in JetBrains TeamCity that could be exploited through GitHub Checks Webhook, potentially allowing unauthenticated attackers to execute malicious scripts in the context of a user’s session. This vulnerability is crucial for organizations using TeamCity to ensure proper security measures are in place to prevent data breaches and unauthorized actions stemming from compromised user sessions.

Affected Version(s)

TeamCity 0 < 2025.03.2

References

https://www.jetbrains.com/privacy-security/issues-fixed/

CVSS V3.1

Score:
5.4
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
Low
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.