CVE-2020-2270 Stored XSS vulnerability in ClearCase Release Plugin
Stored XSS in Jenkins ClearCase Release Plugin allows attackers with Job/Configure 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
- None listed
What is CVE-2020-2270?
CVE-2020-2270 is a medium-severity cross-site scripting vulnerability in Jenkins ClearCase Release Plugin, published on 16 Sep 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 ClearCase Release Plugin 0.3 and earlier does not escape the composite baseline in badge tooltip, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Job/Configure permission.
Weakness: CWE-79
Which versions are affected by CVE-2020-2270?
2 open source packages ship an affected version, including org.jvnet.hudson.plugins:clearcase-release. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jvnet.hudson.plugins:clearcase-release Maven | All versions to 0.3 | None |
org.jvnet.hudson.plugins:clearcase-release Maven | All versions to 0.3 | None |
Products include Jenkins Clearcase Release.
How do I fix CVE-2020-2270?
No fix has been published for CVE-2020-2270 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-2020-2270 being exploited?
There is no known exploitation of CVE-2020-2270 in the wild and no public exploit code.
Sources
Also known as GHSA-2c84-35rv-6q3f.