CVE-2020-2236 Stored XSS vulnerability in Jenkins Yet Another Build Visualizer Plugin
Stored XSS in Jenkins Yet Another Build Visualizer Plugin allows attackers with Run/Update permission to execute scripts in victim browsers.
- 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-2020-2236?
CVE-2020-2236 is a medium-severity cross-site scripting vulnerability in Jenkins Yet Another Build Visualizer Plugin, published on 12 Aug 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
Jenkins Yet Another Build Visualizer Plugin 1.11 and earlier does not escape tooltip content, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by users with Run/Update permission.
Weakness: CWE-79
Which versions are affected by CVE-2020-2236?
2 open source packages ship an affected version, including com.axis.system.jenkins.plugins.downstream:yet-another-build-visualizer. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
com.axis.system.jenkins.plugins.downstream:yet-another-build-visualizer Maven | All versions | 1.12 |
com.axis.system.jenkins.plugins.downstream:yet-another-build-visualizer Maven | All versions | 1.12 |
Products include Jenkins Yet Another Build Visualizer.
How do I fix CVE-2020-2236?
Upgrade com.axis.system.jenkins.plugins.downstream:yet-another-build-visualizer to 1.12 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-2020-2236 being exploited?
There is no known exploitation of CVE-2020-2236 in the wild and no public exploit code.
Sources
Also known as GHSA-3mwj-7vmq-w43p.