CVE-2021-21634: Jenkins Jabber (xmpp) Notifier And Control

Medium severity, CVSS 6.5. EPSS: 0.8% chance of exploitation in the next 30 days.

Jenkins Jabber (XMPP) notifier and control Plugin 1.41 and earlier stores passwords unencrypted in its global configuration file on the Jenkins controller where they can be viewed by users with access to the Jenkins controller file system.

Affected products

• Jenkins Jabber (xmpp) Notifier And Control: up to and including 1.41

Published 2021-03-30. Last modified 2026-06-17.