PT-2026-48426
CVE-2026-53441
·
Published
2026-06-10
·
Updated
2026-08-12
Description by
CVSS 3.1
8.0
HighMetricsAV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:H
Name of the Vulnerable Software and Affected Versions
Jenkins versions 2.483 through 2.567
Jenkins LTS versions 2.492.1 through 2.555.2
Description
Insufficient escaping of user-provided descriptions for generic offline causes allows for stored cross-site scripting (XSS), where malicious scripts are permanently stored on the server and executed in the browser of other users. This issue is exploitable by attackers possessing Agent/Configure permissions via the 'POST config.xml' API endpoint.
Recommendations
Update Jenkins to a version later than 2.567.
Update Jenkins LTS to a version later than 2.555.2.
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