CVE-2020-2176 XSS vulnerability in Jenkins useMango Runner Plugin
Attackers controlling useMango service responses can inject scripts into Jenkins form validation endpoints, potentially executing code in user sessions.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2020-2176?
CVE-2020-2176 is a medium-severity cross-site scripting vulnerability in Jenkins useMango Runner Plugin, published on 7 Apr 2020. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
Multiple form validation endpoints in Jenkins useMango Runner Plugin 1.4 and earlier do not escape values received from the useMango service, resulting in a cross-site scripting (XSS) vulnerability exploitable by users able to control the values returned from the useMango service.
Weakness: CWE-79
Which versions are affected by CVE-2020-2176?
2 open source packages ship an affected version, including it.infuse.jenkins:usemango-runner. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
it.infuse.jenkins:usemango-runner Maven | All versions | 1.5 |
it.infuse.jenkins:usemango-runner Maven | All versions | 1.5 |
Products include Jenkins Usemango Runner.
How do I fix CVE-2020-2176?
Upgrade it.infuse.jenkins:usemango-runner to 1.5 or later.
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-2020-2176 being exploited?
There is no known exploitation of CVE-2020-2176 in the wild and no public exploit code.
Sources
Also known as GHSA-5x89-75r7-8rjh.