CVE-2020-15830 Cross-site scripting in n/a
An attacker can inject malicious scripts into the TeamCity administration UI, potentially stealing session cookies or performing actions as an administrator.
- 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-2020-15830?
CVE-2020-15830 is a medium-severity cross-site scripting vulnerability in Jetbrains Teamcity, published on 8 Aug 2020. 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
JetBrains TeamCity before 2019.2.3 is vulnerable to stored XSS in the administration UI.
Weakness: CWE-79
Which versions are affected by CVE-2020-15830?
It affects 1 product.
Products include Jetbrains Teamcity.
How do I fix CVE-2020-15830?
No fix has been published for CVE-2020-15830 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-2020-15830 being exploited?
There is no known exploitation of CVE-2020-15830 in the wild and no public exploit code.
Other vulnerabilities in Jetbrains Teamcity
Sources
Also known as GHSA-3353-7c4m-qm7q.