SB2025122905 - Multiple vulnerabilities in JetBrains TeamCity

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Cross-site scripting (CVE-ID: CVE-2025-68268)

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data on the storage settings page. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in user's browser in context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

2) Least privilege violation (CVE-ID: CVE-2025-68267)

The vulnerability allows a remote user to escalate privileges within the application.

The vulnerability exists due to the application is storing GitHub personal access token instead of an installation token. A remote user can escalate privileges within the application. 

Remediation

Install update from vendor's website.

References

• https://www.jetbrains.com/privacy-security/issues-fixed/#3d354a64ac8aff39730626c59019a889
• https://www.jetbrains.com/privacy-security/issues-fixed/#fe35415ae5c97594e3f906c0218932c3