CVE-2020-2266 Stored XSS vulnerability in Description Column Plugin
Stored XSS in Jenkins Description Column Plugin allows attackers with Job/Configure permission to execute scripts in other users' 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-2020-2266?
CVE-2020-2266 is a medium-severity cross-site scripting vulnerability in Jenkins Description Column 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 Description Column Plugin 1.3 and earlier does not escape the job description in the column 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-2020-2266?
2 open source packages ship an affected version, including org.jenkins-ci.plugins:description-column-plugin. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
org.jenkins-ci.plugins:description-column-plugin Maven | All versions to 1.3 | None |
org.jenkins-ci.plugins:description-column-plugin Maven | All versions to 1.3 | None |
Products include Jenkins Description Column.
How do I fix CVE-2020-2266?
No fix has been published for CVE-2020-2266 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-2020-2266 being exploited?
There is no known exploitation of CVE-2020-2266 in the wild and no public exploit code.
Sources
Also known as GHSA-qxrx-m6v6-m767.