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Dataset date/model retained; FIRST services terms apply.","title":"CVE-2015-5956","publisher":"FIRST EPSS","observed_at":"2026-11-03T17:42:56.080Z"}],"affected_context":[{"certainty":"source_listed","source_ids":["sr-5474bb64044b8b4f9b23e0b7beb9919f"],"technology":"typo3/cms","known_exclusions":[],"conditions_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.","public_affected_ranges":["ECOSYSTEM: introduced 6.0; fixed 6.2.15"]},{"certainty":"source_listed","source_ids":["sr-5474bb64044b8b4f9b23e0b7beb9919f"],"technology":"typo3/cms","known_exclusions":[],"conditions_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.","public_affected_ranges":["ECOSYSTEM: introduced 7.0; fixed 7.4.0"]},{"certainty":"source_listed","source_ids":["sr-5474bb64044b8b4f9b23e0b7beb9919f"],"technology":"typo3/cms","known_exclusions":[],"conditions_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.","public_affected_ranges":["ECOSYSTEM: introduced 4.0; last_affected 4.5.40"]}],"null_published_at":"2026-11-08T19:53:33.595Z","source_updated_at":"2024-12-07T05:40:59.138Z","source_disclosed_at":"2022-05-14T02:48:01.000Z","is_synthetic_fixture":false,"null_last_reviewed_at":null,"public_change_summary":"Dated EPSS estimate updated; this is not a new disclosure or proof of exploitation.","null_first_observed_at":"2026-10-31T21:42:10.683Z"},{"id":"NVI-00004018","kind":"vulnerability","title":"TYPO3 cross-site scripting (XSS)","revision":2,"unknowns":["Customer inventory, deployment, reachability and exploitation have not been inspected.","NVD lastModified does not establish freshness of every associated CPE record."],"lifecycle":"active","identifiers":["GHSA-989h-wv8x-933p","CVE-2015-5956"],"plain_summary":"OSV carries this publisher advisory for typo3/cms, typo3/cms, typo3/cms. 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This report has not tested a fix in your system.","current_supported_target":null},{"summary":"Identify the exact component and deployed version, examine the linked publisher’s conditions, and retain evidence of any mitigation.","source_ids":["sr-44977808eda1d5aa01bcd0b014cfb430"],"action_type":"investigate","limitations":"Confirm current vendor support, compatibility and deployment evidence. This report has not tested a fix in your system.","current_supported_target":null}],"schema_version":"1.1.0","source_metrics":[{"kind":"CVSS","as_of":"2026-06-17T00:30:10.820Z","value":"3.5 LOW (2.0)","meaning":"nvd@nist.gov severity; no combined Null risk score.","source_id":"sr-44977808eda1d5aa01bcd0b014cfb430"}],"why_it_matters":"Published affected context helps an owner decide what evidence to gather. 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