Description
Joomla! 1.5.x, 2.x, and 3.x before 3.4.6 allow remote attackers to conduct PHP object injection attacks and execute arbitrary PHP code via the HTTP User-Agent header, as exploited in the wild in December 2015.
Remediation
References
Related Vulnerabilities
ownCloud Permissions, Privileges, and Access Controls Vulnerability (CVE-2016-5876)
MySQL CVE-2010-3834 Vulnerability (CVE-2010-3834)
Oracle Database Server CVE-2015-4740 Vulnerability (CVE-2015-4740)
MediaWiki Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2012-1579)
WordPress Plugin Front End Upload Arbitrary File Upload (0.5.4.4)