Reflected XSS Vulnerability in JetBrains TeamCity NPM Registry Integration
CVE-2025-52879

4.8MEDIUM

Key Information:

Vendor

Jetbrains
Status
Teamcity
Vendor
CVE Published:
23 June 2025

What is CVE-2025-52879?

A reflected cross-site scripting (XSS) vulnerability was identified in the NPM Registry integration of JetBrains TeamCity prior to version 2025.03.3. This vulnerability allows attackers to execute malicious scripts in the context of vulnerable applications, potentially compromising user sessions and leading to unauthorized access or data breaches.

Affected Version(s)

TeamCity 0 < 2025.03.3

References

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

CVSS V3.1

Score:
4.8
Severity:
MEDIUM
Confidentiality:
Low
Integrity:
Low
Availability:
Low
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
High
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

.
CVE-2025-52879 : Reflected XSS Vulnerability in JetBrains TeamCity NPM Registry Integration