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
WordPress Plugin YITH WooCommerce Ajax Search Unspecified Vulnerability (1.2.7)
IBMHttpServer Other Vulnerability (CVE-2004-0492)
WordPress Plugin Free Live Chat Support Cross-Site Request Forgery (1.0.11)
Joomla Exposure of Sensitive Information to an Unauthorized Actor Vulnerability (CVE-2020-35614)