[Ticket#2025031810000011] Vulnerabilities in multiple third party TYPO3 CMS extensions
Dear TYPO3 users, several vulnerabilities have been found in the following third party TYPO3 extensions: ?Additional TCA? (additional_tca) ?[clickstorm] SEO? (cs_seo) For further information on the issues, please read the related advisories TYPO3-EXT-SA-2025-002 and TYPO3-EXT-SA-2025-003 which were published today: TYPO3-EXT-SA-2025-002: Cross-Site Scripting in extension ?Additional TCA? (additional_tca) [1]https://typo3.org/security/advisory/typo3-ext-sa-2025-002 TYPO3-EXT-SA-2025-003: Multiple vulnerabilities in extension ?[clickstorm] SEO? (cs_seo) [2]https://typo3.org/security/advisory/typo3-ext-sa-2025-003 In general the TYPO3 Security Team recommends to read the following pages: The TYPO3 Security Guide: [3]https://docs.typo3.org/typo3cms/CoreApiReference/Security/Index.html Make sure you are subscribed to the TYPO3 Announce List: [4]https://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-announce See all TYPO3 security advisories: [5]https://typo3.org/help/security-advisories/ Best regards, Torben Hansen Member of the TYPO3 Security Team -- TYPO3 Security Team homepage: [6]https://typo3.org/teams/security/ E-Mail: security@typo3.org Please note: When replying to this e-mail, please leave the header intact. [1] https://typo3.org/security/advisory/typo3-ext-sa-2025-002 [2] https://typo3.org/security/advisory/typo3-ext-sa-2025-003 [3] https://docs.typo3.org/typo3cms/CoreApiReference/Security/Index.html [4] https://lists.typo3.org/cgi-bin/mailman/listinfo/typo3-announce [5] https://typo3.org/help/security-advisories/ [6] https://typo3.org/teams/security/