CVE-2020-2169 Reflected XSS vulnerability in Jenkins Queue cleanup Plugin
Reflected XSS in Jenkins Queue cleanup Plugin allows attackers to execute arbitrary scripts in victim browsers via a crafted query parameter.
- 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
- Available
What is CVE-2020-2169?
CVE-2020-2169 is a medium-severity cross-site scripting vulnerability in Jenkins Queue cleanup Plugin, published on 25 Mar 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
A form validation endpoint in Jenkins Queue cleanup Plugin 1.3 and earlier does not properly escape a query parameter displayed in an error message, resulting in a reflected XSS vulnerability.
Weakness: CWE-79
Which versions are affected by CVE-2020-2169?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:queue-cleanup. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:queue-cleanup Maven | All versions | 1.4 |
org.jenkins-ci.plugins:queue-cleanup Maven | All versions | 1.4 |
Products include Jenkins Queue Cleanup.
How do I fix CVE-2020-2169?
Upgrade org.jenkins-ci.plugins:queue-cleanup to 1.4 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-2020-2169 being exploited?
There is no known exploitation of CVE-2020-2169 in the wild and no public exploit code.
Sources
Also known as GHSA-m7pr-m4cx-6m22.