CVE-2023-41940 Stored XSS vulnerability in Jenkins TAP Plugin

Medium 5.4 Published Updated

Attackers can inject malicious scripts via TAP files, leading to stored XSS in Jenkins TAP Plugin.

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-2023-41940?

CVE-2023-41940 is a medium-severity cross-site scripting vulnerability in Jenkins TAP Plugin, published on 6 Sep 2023. 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 TAP Plugin 2.3 and earlier does not escape TAP file contents, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control TAP file contents.

Weakness: CWE-79

Which versions are affected by CVE-2023-41940?

2 open source packages ship an affected version, including org.tap4j:tap. It affects 1 product.

PackageAffectedFixed in
org.tap4j:tap MavenAll versions to 2.3None
org.tap4j:tap MavenAll versions to 2.3None

Products include Jenkins Tap.

How do I fix CVE-2023-41940?

No fix has been published for CVE-2023-41940 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-2023-41940 being exploited?

There is no known exploitation of CVE-2023-41940 in the wild and no public exploit code.

Sources

Also known as GHSA-3vcr-579j-4x48.

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