fixes #4456 - XSS on 500 error page and bookmark name causing render error (CVE-2014-0089)
(cherry picked from commit 69e46d6d6eb230f3aa4236838999284dfffccb6e)
fixes #4456 - XSS on 500 error page and bookmark name causing render error (CVE-2014-0089)
(cherry picked from commit 69e46d6d6eb230f3aa4236838999284dfffccb6e)