CVE-2015-5956
LOW severity · CVSS 3.5 · Cross-site scripting (XSS)
3.5CVSS LOW
Summary
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 & exploitability
Attack vectorNetwork
Attack complexity—
Privileges required—
User interaction—
Confidentiality impactNone
Integrity impact—
Availability impactNone
Exploit probability (EPSS)2%
AV:N/AC:M/Au:S/C:N/I:P/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2015-009/Advisory
- 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