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.
CVSS Score
LOW
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Typo3 | Typo3 | <= 4.5.40 |
Related Weaknesses (CWE)
References
- http://packetstormsecurity.com/files/133551/Typo3-CMS-6.2.14-4.5.40-Cross-Site-S
- 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-201Vendor Advisory
- http://packetstormsecurity.com/files/133551/Typo3-CMS-6.2.14-4.5.40-Cross-Site-S
- 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-201Vendor Advisory
FAQ
What is CVE-2015-5956?
CVE-2015-5956 is a vulnerability with a CVSS score of 3.5 (LOW). 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) attack...
How severe is CVE-2015-5956?
CVE-2015-5956 has been rated LOW with a CVSS base score of 3.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2015-5956?
Check the references section above for vendor advisories and patch information. Affected products include: Typo3 Typo3.