CVE-2025-52879: jetbrains teamcity Cross-site Scripting
Analyzed
Published 23-06-2025Last modified 24-06-2025
Vulnerability summary
CVE-2025-52879 is a medium (CVSS 4.8) Cross-site Scripting vulnerability in jetbrains teamcity. EPSS estimates a 1.19% chance of exploitation in the next 30 days, higher than 67.8% of scored vulnerabilities.
CVSS score
4.8/10
010
Medium · v3.1 (CVE.org)EPSS score
1.19%
0%100%
Low · +0.09 pp in 30 daysKEVNot listedNot listed by any tracked catalog.
RansomwareNot flaggedNo ransomware use recorded.
Public exploits0No public exploits recorded
Timeline
- 23-06-2025PublishedVulnerability first disclosed.
- 24-06-2025Last modifiedVulnerability information updated.
Description
In JetBrains TeamCity before 2025.03.3 reflected XSS in the NPM Registry integration was possible
CVSS metrics
2 scores · 2 sources · 1 versionMedium 4.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:NSourcesAll 2 agree
- NVDNIST4.8MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
EPSS trend
Probability
1.19%
Chance of exploitation in the next 30 days
Percentile
68%
Versus all other CVEs
30-day change
Increase +0.09 pp
From 1.10% on 22-09-2026
22-09-202622-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Jetbrains1 product
- teamcity< 2025.03.3
1 vendor · 1 product
References
1 links- www.jetbrains.com/privacy-security/issues-fixed/Vendor Advisory