The sanitizeLocalUrl function in TYPO3 6.x before 6.2.15, 7.x before...
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2015-009/
- http://seclists.org/fulldisclosure/2015/Sep/57
- http://www.securitytracker.com/id/1033551
- http://packetstormsecurity.com/files/133551/Typo3-CMS-6.2.14-4.5.40-Cross-Site-Scripting.html
- http://www.securityfocus.com/archive/1/536464/100/0/threaded
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Timeline
CVSS Vectors
Weaknesses (CWE)
No CWE data available
MITRE ATT&CK TTPs
No associated TTPs found for this vulnerability.