Open redirect vulnerability in the Form API in Drupal 7.x before 7.13 allows remote attackers to redirect users to arbitrary web sites and conduct phishing attacks via crafted parameters in a destination URL.
drupal.org/node/1557938
jvn.jp/en/jp/JVN45898075/index.html
jvndb.jvn.jp/jvndb/JVNDB-2012-000045
nvd.nist.gov/vuln/detail/CVE-2012-1589
web.archive.org/web/20120507035905/www.securityfocus.com/bid/53365
web.archive.org/web/20150523060428/www.mandriva.com/en/support/security/advisories/advisory/MDVSA-2013:074/?name=MDVSA-2013:074