Jenkins TestComplete support Plugin 2.8.1 and earlier does not escape the TestComplete project name, resulting in a stored cross-site scripting (XSS) vulnerability exploitable by attackers with Item/Configure permission.
Jenkins TestComplete support Plugin 2.4.1 and earlier stores a password unencrypted in job config.xml files on the Jenkins master where it can be viewed by users with Extended Read permission, or access to the master file system.