Description
Jenkins Warnings Next Generation Plugin 9.10.2 and earlier does not restrict the name of a file when configuring custom ID, allowing attackers with Item/Configure permission to write and read specific files with a hard-coded suffix on the Jenkins controller file system.
Remediation
References
http://www.openwall.com/lists/oss-security/2022/01/12/6
https://www.jenkins.io/security/advisory/2022-01-12/#SECURITY-2090