Cross-site scripting (XSS) vulnerability in apc.php in the Alternative PHP Cache (APC) extension before 3.1.4 for PHP allows remote attackers to inject arbitrary web script or HTML via unspecified vectors.
http://www.vupen.com/english/advisories/2010/2406
http://www.openwall.com/lists/oss-security/2010/09/14/8
http://www.openwall.com/lists/oss-security/2010/09/14/6
http://www.openwall.com/lists/oss-security/2010/09/14/1
http://rhn.redhat.com/errata/RHSA-2012-0811.html
http://pecl.php.net/package-changelog.php?package=APC&release=3.1.4