Jenkins FindBugs Plugin 5.0.0 and earlier does not escape the annotation message in tooltips, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers able to provide report files to Jenkins FindBugs Plugin's post build step.

Jenkins FindBugs Plugin 4.71 and earlier processes XML external entities in files it parses as part of the build process, allowing attackers with user permissions in Jenkins to extract secrets from the Jenkins master, perform server-side request forgery, or denial-of-service attacks.