Cross-site scripting in phpMyAdmin - CVE-2011-4780

Detailed vulnerability description

Vulnerability allows a remote attacker to perform Cross-site scripting attacks.

An input validation error exists in libraries/display_export.lib.php in phpMyAdmin 3.4.x before 3.4.9 when processing crafted URL parameters, related to the export panels in the (1) server, (2) database, and (3) table sections. A remote attacker can trick the victim to follow a specially crafted link and execute arbitrary HTML and script code in victim's browser in security context of vulnerable website.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.

How to mitigate CVE-2011-4780

Sources

• http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071523.html
• http://lists.fedoraproject.org/pipermail/package-announce/2012-January/071537.html
• http://phpmyadmin.git.sourceforge.net/git/gitweb.cgi?p=phpmyadmin/phpmyadmin;a=commit;h=bd3735ba584e7a49aee78813845245354b061f61
• http://www.mandriva.com/security/advisories?name=MDVSA-2011:198
• http://www.phpmyadmin.net/home_page/security/PMASA-2011-20.php
• http://www.securityfocus.com/bid/51226