Description
Jenkins 2.270 through 2.393 (both inclusive), LTS 2.277.1 through 2.375.3 (both inclusive) does not escape the Jenkins version a plugin depends on when rendering the error message stating its incompatibility with the current version of Jenkins, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide plugins to the configured update sites and have this message shown by Jenkins instances.
Remediation
References
Related Vulnerabilities
Moodle Improper Access Control Vulnerability (CVE-2016-3733)
MediaWiki Allocation of Resources Without Limits or Throttling Vulnerability (CVE-2021-41800)
Jetty Insufficient Session Expiration Vulnerability (CVE-2021-34428)
TYPO3 Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2011-4900)