CVE-2015-5956 Information

Description

The sanitizeLocalUrl function in TYPO3 6.x before 6.2.15 7.x before 7.4.0 4.5.40 and earlier allows remote authenticated users to bypass the XSS filter and conduct cross-site scripting (XSS) attacks via a base64 encoded data URI as demonstrated by the (1) returnUrl parameter to show_rechis.php and the (2) redirect_url parameter to index.php.

Reference

http://packetstormsecurity.com/files/133551/Typo3-CMS-6.2.14-4.5.40-Cross-Site-Scripting.html http://seclists.org/fulldisclosure/2015/Sep/57 http://www.securityfocus.com/archive/1/536464/100/0/threaded http://www.securitytracker.com/id/1033551 https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2015-009/ The sanitizeLocalUrl function in TYPO3 6.x before 6.2.15 7.x before 7.4.0 4.5.40 and earlier allows remote authenticated users to bypass the XSS filter and conduct cross-site scripting (XSS) attacks via a base64 encoded data URI as demonstrated by the (1) returnUrl parameter to show_rechis.php and the (2) redirect_url parameter to index.php.