Jenkins Pipeline: Build Step Plugin 2.18 and earlier does not escape job names in a JavaScript expression used in the Pipeline Snippet Generator, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to control job names.
A missing permission check in Jenkins Pipeline GitHub Notify Step Plugin 1.0.4 and earlier in form-related methods allowed users with Overall/Read access to enumerate credentials ID of credentials stored in Jenkins.
Jenkins Pipeline: Build Step Plugin 2.15 and earlier reveals password parameter default values when generating a pipeline script using the Pipeline Snippet Generator, allowing attackers with Item/Read permission to retrieve the default password parameter value from jobs.
Builds in Jenkins are associated with an authentication that controls the permissions that the build has to interact with other elements in Jenkins.