Bugzilla 3.2 before 3.2 RC2, 3.0 before 3.0.6, 2.22 before 2.22.6, 2.20 before 2.20.7, and other versions after 2.17.4 allows remote authenticated users to bypass moderation to approve and disapprove quips via a direct request to quips.cgi with the action parameter set to “approve.”
secunia.com/advisories/32501
secunia.com/advisories/34361
www.bugzilla.org/security/2.20.6/
www.securityfocus.com/bid/32178
bugzilla.mozilla.org/show_bug.cgi?id=449931
exchange.xforce.ibmcloud.com/vulnerabilities/46424
www.redhat.com/archives/fedora-package-announce/2009-March/msg00664.html
www.redhat.com/archives/fedora-package-announce/2009-March/msg00687.html