CVE-2019-12843

Name: CVE-2019-12843
Creator: NVD / NIST
Published: 2019-07-03T20:15:11.417+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 0.79%

Last modified Jun 17, 2026

CVE-2019-12843 is a vulnerability of currently unknown severity. A possible stored JavaScript injection requiring a deliberate server administrator action was detected. The issue was fixed in JetBrains TeamCity 2018.2.3.. EPSS estimates a 0.79% chance of exploitation in the next 30 days.

Description

A possible stored JavaScript injection requiring a deliberate server administrator action was detected. The issue was fixed in JetBrains TeamCity 2018.2.3.

Metrics

EPSS Probability

0.79%

51.7th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-94

Affected Software

Vendor	Product	Versions
Jetbrains	Teamcity	< 2018.2.3

References

https://blog.jetbrains.com/blog/2019/06/19/jetbrains-security-bulletin-q1-2019/Vendor Advisory
https://blog.jetbrains.com/blog/2019/06/19/jetbrains-security-bulletin-q1-2019/Vendor Advisory

Timeline

Published: Jul 3, 2019
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2019-12843?

A possible stored JavaScript injection requiring a deliberate server administrator action was detected. The issue was fixed in JetBrains TeamCity 2018.2.3.

How severe is CVE-2019-12843?

Severity scoring for CVE-2019-12843 is pending analysis. The EPSS model estimates a 0.79% probability of exploitation in the next 30 days.

How do I fix CVE-2019-12843?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2019-12843?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST