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
SharePoint Permissions, Privileges, and Access Controls Vulnerability (CVE-2012-1860)
Squid Out-of-bounds Write Vulnerability (CVE-2019-12527)
IBM RTC Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2017-1559)
WordPress Plugin WP Js External Link Info Open Redirect (1.21)
WordPress Plugin Navis DocumentCloud Cross-Site Scripting (0.1)