CVE-2019-12843 Cross-site scripting in n/a
Stored JavaScript injection in TeamCity allows attackers to execute scripts if administrators perform specific actions, potentially compromising the CI/CD environment.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2019-12843?
CVE-2019-12843 is a medium-severity cross-site scripting vulnerability in Jetbrains Teamcity, published on 3 Jul 2019. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.
Official description
A possible stored JavaScript injection requiring a deliberate server administrator action was detected. The issue was fixed in JetBrains TeamCity 2018.2.3.
Weakness: CWE-94
Which versions are affected by CVE-2019-12843?
It affects 1 product.
Products include Jetbrains Teamcity.
How do I fix CVE-2019-12843?
No fix has been published for CVE-2019-12843 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2019-12843 being exploited?
There is no known exploitation of CVE-2019-12843 in the wild and no public exploit code.
Other vulnerabilities in Jetbrains Teamcity
Sources
Also known as GHSA-39p4-fjv6-chrx.