Bugzilla 2.x through 4.0.x before 4.0.15, 4.1.x and 4.2.x before 4.2.11, 4.3.x and 4.4.x before 4.4.6, and 4.5.x before 4.5.6 does not ensure that a scalar context is used for certain CGI parameters, which allows remote attackers to conduct cross-site scripting (XSS) attacks by sending three values for a single parameter name.
- http://packetstormsecurity.com/files/128578/Bugzilla-Account-Creation-XSS-Information-Leak.html
- http://www.reddit.com/r/netsec/comments/2ihen0/new_class_of_vulnerability_in_perl_web/
- https://bugzilla.mozilla.org/show_bug.cgi?id=1075578
No PoCs found on GitHub currently.