CVE-2025-47851
JetBrains TeamCity vulnerability analysis and mitigation

Overview

A stored Cross-Site Scripting (XSS) vulnerability was identified in JetBrains TeamCity versions prior to 2025.03.2. The vulnerability, tracked as CVE-2025-47851, was discovered by Alex Williams from Converge Technology Solutions and specifically affects the GitHub Checks Webhook functionality (Wiz Report).

Technical details

The vulnerability has been assigned a CVSS v3.1 base score of 4.8 (Medium) with the vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N. This indicates that the vulnerability requires network access, low attack complexity, high privileges, and user interaction. The scope is changed, with low impacts on confidentiality and integrity, but no impact on availability (NVD, Wiz Report).

Impact

The stored XSS vulnerability could allow attackers to execute malicious scripts in the context of other users' browsers when they view the affected GitHub Checks Webhook content. This could potentially lead to unauthorized access to sensitive information and manipulation of web content (Wiz Report).

Mitigation and workarounds

Users are advised to upgrade to JetBrains TeamCity version 2025.03.2 or later to address this vulnerability (JetBrains Issues).

Additional resources


SourceThis report was generated using AI

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