Jenkins before 1.551 and LTS before 1.532.2 allows remote attackers to conduct clickjacking attacks via unspecified vectors.
https://wiki.jenkins-ci.org/display/SECURITY/Jenkins+Security+Advisory+2014-02-14
https://github.com/jenkinsci/jenkins/commit/16931bd7bf7560e26ef98328b8e95e803d0e90f6