{"cve":"CVE-2015-5956","nvd":{"published":"2015-09-16T14:59:02.837","modified":"2026-06-17T00:30:10.820","status":"Modified","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_v4":null,"cvss_v3":null,"cwes":["CWE-79"],"references":["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","https://typo3.org/teams/security/security-bulletins/typo3-core/typo3-core-sa-2015-009/"],"products":["typo3:typo3"],"source":"nvd","synced_at":"2026-10-19T20:37:45.466985407+00:00"},"epss":{"cve":"CVE-2015-5956","score":0.02006,"percentile":0.80817,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}