Jenkins Job Configuration History Plugin 1227.v7a79fc4dc01f and earlier does not restrict the 'name' query parameter when rendering a history entry, allowing attackers to have Jenkins render a manipulated configuration history that was not created by the plugin.

Jenkins Job Configuration History Plugin 1227.v7a79fc4dc01f and earlier does not property sanitize or escape the timestamp value from history entries when rendering a history entry on the history view, resulting in a stored cross-site scripting (XSS) vulnerability.

Jenkins Job Configuration History Plugin 1227.v7a79fc4dc01f and earlier does not restrict 'timestamp' query parameters in multiple endpoints, allowing attackers with to delete attacker-specified directories on the Jenkins controller file system as long as they contain a file called 'history.xml'.