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.
Affected packages
| Ecosystem | Package | Affected | Fixed | Record |
|---|---|---|---|---|
| Packagist | typo3/cms | >= 6.0, < 6.2.15 | 6.2.15 | GHSA-989h-wv8x-933p |
| Packagist | typo3/cms | >= 7.0, < 7.4.0 | 7.4.0 | GHSA-989h-wv8x-933p |
| Packagist | typo3/cms | >= 4.0, <= 4.5.40 | — | GHSA-989h-wv8x-933p |
References
- https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2015-009/
- 20150915 [CVE-2015-5956] Typo3 Core sanitizeLocalUrl() Non-Persistent Cross-Site Scripting mailing-list
- 1033551 vdb-entry
- http://packetstormsecurity.com/files/133551/Typo3-CMS-6.2.14-4.5.40-Cross-Site-Scripting.html
- 20150914 [CVE-2015-5956] Typo3 Core sanitizeLocalUrl() Non-Persistent Cross-Site Scripting mailing-list