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6.1

TeamCity could run malicious code if admin adds script

CVE-2019-12843 · published 7 years ago
Summary

TeamCity servers could execute unwanted JavaScript if an administrator intentionally places malicious script content on the server. This could allow attackers to alter pages or steal data from users who view the affected pages. Update TeamCity to version 2018.2.3 or later to close the risk.

What to do
  • Update jetbrains teamcity to version 2018.2.3 or later.
Affected software
VendorProductAffected versions
jetbrains teamcity < 2018.2.3
cpe:2.3:a:jetbrains:teamcity:*:*:*:*:*:*:*:*
Original advisory text
A possible stored JavaScript injection requiring a deliberate server administrator action was detected. The issue was fixed in JetBrains TeamCity 2018.2.3.
A possible stored JavaScript injection requiring a deliberate server administrator action was detected. The issue was fixed in JetBrains TeamCity 2018.2.3.
References
Fix within
Internet-facing 60 days
Internal At next upgrade
  • Not known to be exploited
  • Needs hands-on effort to exploit (estimated)
  • Gives an attacker partial control (estimated)
Severity
6.1 Medium
Exploitation
<1% chance of attack within 30 days
Type
CWE-94Code Injection
Timeline
Published3 Jul 2019
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2019-12843 · NVD
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