GitHub Advisory DatabaseGHSA-989H-WV8X-933PTYPO3 cross-site scripting (XSS)
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.
References
packetstormsecurity.com/files/133551/Typo3-CMS-6.2.14-4.5.40-Cross-Site-Scripting.html
seclists.org/fulldisclosure/2015/Sep/57
www.securityfocus.com/archive/1/536464/100/0/threaded
www.securitytracker.com/id/1033551
github.com/advisories/GHSA-989h-wv8x-933p
github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2015-5956.yaml
nvd.nist.gov/vuln/detail/CVE-2015-5956
typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2015-009/
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