CVE-2021-21622 Stored XSS vulnerability in Jenkins Artifact Repository Parameter Plugin
Stored XSS in Jenkins Artifact Repository Parameter 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
- Available
What is CVE-2021-21622?
CVE-2021-21622 is a medium-severity cross-site scripting vulnerability in Jenkins Artifact Repository Parameter Plugin, published on 24 Feb 2021. 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 Artifact Repository Parameter Plugin 1.0.0 and earlier does not escape parameter names and descriptions, 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-2021-21622?
2 open source packages ship an affected version, including io.jenkins.plugins:artifact-repository-parameter. It affects 1 product.
| Package | Affected | Fixed in |
|---|---|---|
io.jenkins.plugins:artifact-repository-parameter Maven | All versions | 1.0.1 |
io.jenkins.plugins:artifact-repository-parameter Maven | All versions | 1.0.1 |
Products include Jenkins Artifact Repository Parameter.
How do I fix CVE-2021-21622?
Upgrade io.jenkins.plugins:artifact-repository-parameter to 1.0.1 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-2021-21622 being exploited?
There is no known exploitation of CVE-2021-21622 in the wild and no public exploit code.
Sources
Also known as GHSA-gc87-qwmv-7x9x.