Threats Tagged 'cve-2026-19418'
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Threats Tagged 'cve-2026-19418'
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CVE-2026-19418: CWE-346 Origin Validation Error in TYPO3 TYPO3 CMSCVE-2026-19418 0 The referrer enforcement introduced with TYPO3-CORE-SA-2020-006 (CVE-2020-11069) became ineffective in TYPO3 v13.0, where TYPO3 CMS started serving the backend and Install Tool applications from the site's main entry script instead of the dedicated typo3/ directory. Whether a request originated from the backend or Install Tool itself was determined by comparing the referrer against the directory of the entry script, which since then is the site root. As a consequence, requests originating from any script running on one of the TYPO3 instance's own domains, such as a frontend page, were accepted by backend routes and Install Tool endpoints. Attackers able to execute JavaScript on one of those domains, for instance by exploiting a cross-site scripting vulnerability, could invoke these endpoints via Fetch/XHR with the privileges of an authenticated victim's user session. This issue affects TYPO3 CMS versions 13.0.0-13.4.33 and 14.0.0-14.3.5. Join the discussion | CVE Database V5 | 08/11/2026, 07:29:37 UTC Added: 08/11/2026, 07:42:15 UTC |
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