CVE-2015-5956 – Typo3 CMS 6.2.14 / 4.5.40 Cross Site Scripting

https://notcve.org/view.php?id=CVE-2015-5956

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. Vulnerabilidad en la función sanitizeLocalUrl en TYPO3 6.x en versiones anteriores a 6.2.15, 7.x en versiones anteriores a 7.4.0, 4.5.40 y versiones anteriores, permite a usuarios remotos autenticados eludir el filtro XSS y realizar ataques de XSS a través de un URI de datos codificados en base64, según lo demostrado por el (1) parámetro returnUrl en show_rechis.php y (2) parámetro redirect_url en index.php. Typo3 CMS versions 6.2.14 and below and 4.5.40 and below suffer from a cross site scripting vulnerability. • 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 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •