XSS in Typo3
CVE-2015-5956
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.
Vulnerability class: XSS (Cross-Site Scripting)
EPSS: 0.020 (78.8th percentile) — read the EPSS interpretation.
Affected products
- Typo3 — versions 6.0, 6.0.1, 6.0.2
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (x_refsource_CONFIRM, Vendor Advisory)
- cve@mitre.org (mailing-list, x_refsource_FULLDISC)
- cve@mitre.org (vdb-entry, x_refsource_SECTRACK)
- cve@mitre.org (x_refsource_MISC)
- cve@mitre.org (mailing-list, x_refsource_BUGTRAQ)
Frequently asked questions
- What is CVE-2015-5956?
- CVE-2015-5956 is a vulnerability in Typo3, classified under Cross-site Scripting. Published 2015-09-16.
- Is CVE-2015-5956 known to be exploited?
- 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.