Jenkins Git Plugin 4.8.2 and earlier does not escape the Git SHA-1 checksum parameters provided to commit notifications when displaying them in a build cause, resulting in a stored cross-site scripting (XSS) vulnerability.

Jenkins Git Plugin 4.2.0 and earlier does not escape the error message for the repository URL for Microsoft TFS field form validation, resulting in a stored cross-site scripting vulnerability.

A server-side request forgery vulnerability exists in Jenkins Git Plugin 3.9.0 and older in AssemblaWeb.java, GitBlitRepositoryBrowser.java, Gitiles.java, TFS2013GitRepositoryBrowser.java, ViewGitWeb.java that allows attackers with Overall/Read access to cause Jenkins to send a GET request to a specified URL.

An improper authorization vulnerability exists in Jenkins Git Plugin version 3.7.0 and earlier in GitStatus.java that allows an attacker with network access to obtain a list of nodes and users.