CVE-2022-46686 Jenkins Custom Build Properties Plugin vulnerable to Cross-site Scripting

Medium 5.4 Published Updated

Stored XSS in Jenkins Custom Build Properties Plugin allows attackers to inject scripts via property values or build names, potentially compromising user sessions.

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-2022-46686?

CVE-2022-46686 is a medium-severity cross-site scripting vulnerability in Jenkins Custom Build Properties Plugin, published on 7 Dec 2022. 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 Custom Build Properties Plugin 2.79.vc095ccc85094 and earlier does not escape property values and build display names on the Custom Build Properties and Build Summary pages, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to set or change these values.

Weakness: CWE-79

Which versions are affected by CVE-2022-46686?

2 open source packages ship an affected version, including io.jenkins.plugins:custom-build-properties. It affects 1 product.

PackageAffectedFixed in
io.jenkins.plugins:custom-build-properties MavenAll versions2.82.v16d5b
io.jenkins.plugins:custom-build-properties MavenAll versions2.82.v16d5b

Products include Jenkins Custom Build Properties.

How do I fix CVE-2022-46686?

Upgrade io.jenkins.plugins:custom-build-properties to 2.82.v16d5b 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-2022-46686 being exploited?

There is no known exploitation of CVE-2022-46686 in the wild and no public exploit code.

Sources

Also known as GHSA-5g2c-j6v9-vf94.

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