MediaWiki Improper Neutralization of Input During Web Page Generation (Cross-site Scripting) Vulnerability - CVE-2013-4573
Cross-site scripting (XSS) vulnerability in the ZeroRatedMobileAccess extension for MediaWiki 1.19.x before 1.19.9 1.20.x before 1.20.8 and 1.21.x before 1.21.3 allows remote attackers to inject arbitrary web script or HTML via the quottoquot parameter to index.php.