SB2025062353 - Multiple vulnerabilities in TeamCity

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Main Vulnerability Database SB2025062353

SB2025062353 - Multiple vulnerabilities in TeamCity

Published: June 23, 2025 Updated: August 17, 2026

Security Bulletin ID SB2025062353
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 5
Exploitation vector Remote access
Highest impact Data manipulation

Breakdown by Severity

Medium 60% Low 40%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 5 vulnerabilities.


1) Cross-site scripting (CVE-ID: CVE-2025-52879)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]


The vulnerability allows a remote attacker to execute arbitrary script code in a victim's browser.

The vulnerability exists due to cross-site scripting in the NPM Registry integration when handling requests. A remote attacker can send a specially crafted request to execute arbitrary script code in a victim's browser.


2) Missing Authorization (CVE-ID: CVE-2025-52878)

CWE-ID: CWE-862 - Missing Authorization

CVSSv4: 5.3 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:L/VI:N/VA:N/SC:N/SI:N/SA:N]


The vulnerability allows a remote user to disclose usernames.

The vulnerability exists due to improper access control in username handling when accessing user information without proper permissions. A remote user can access usernames they should not be able to view to disclose usernames.


3) Cross-site scripting (CVE-ID: CVE-2025-52877)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]


The vulnerability allows a remote attacker to execute arbitrary script in the victim's browser.

The vulnerability exists due to cross-site scripting in the diskUsageBuildsStats page when handling requests. A remote attacker can send a specially crafted request to execute arbitrary script in the victim's browser.


4) Cross-site scripting (CVE-ID: CVE-2025-52876)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]


The vulnerability allows a remote attacker to execute arbitrary script in the victim's browser.

The vulnerability exists due to cross-site scripting in the favoriteIcon page when handling requests. A remote attacker can send a specially crafted request to execute arbitrary script in the victim's browser.


5) Cross-site scripting (CVE-ID: CVE-2025-52875)

CWE-ID: CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CVSSv4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]


The vulnerability allows a remote user to execute arbitrary script code in the victim's browser.

The vulnerability exists due to cross-site scripting in the Performance Monitor page when rendering crafted content in the browser. A remote user can inject a specially crafted payload to execute arbitrary script code in the victim's browser.


Remediation

Install update from vendor's website.

References