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.

Remediation

References

CVE-2015-5956

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Severity

Low

Classification

CVE-2015-5956 CWE-707

Tags

Missing Update Known Vulnerabilities