{"id":"CVE-2019-12747","aliases":["GHSA-86hp-xrhj-fhpq"],"url":"https://o3.security/vulnerability/CVE-2019-12747","summary":"TYPO3 Vulnerable to Insecure Deserialization","details":"TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data.","published":"2019-07-09T15:15:10.587Z","modified":"2026-10-24T10:30:54.388773273Z","cvss":{"score":8.8,"severity":"HIGH","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H"},"epss":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"typo3/cms-core","fixedVersion":"8.7.27"},{"ecosystem":"Packagist","name":"typo3/cms-core","fixedVersion":"9.5.8"},{"ecosystem":"Packagist","name":"typo3/cms","fixedVersion":"8.7.27"},{"ecosystem":"Packagist","name":"typo3/cms","fixedVersion":"9.5.8"}],"fix":{"url":"http://github.com/TYPO3/typo3/commit/647aa7afa582983cddc547fa106d31e2b1ef34fe","label":"TYPO3/typo3@647aa7a"},"references":[{"type":"ADVISORY","url":"https://typo3.org/security/advisory/typo3-core-sa-2019-020/"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2019-12747"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2019-12747.yaml"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2019-12747.yaml"},{"type":"PACKAGE","url":"https://github.com/TYPO3-CMS/core"},{"type":"WEB","url":"https://typo3.org/cms/release-news/typo3-8-release-notes"},{"type":"WEB","url":"https://typo3.org/security/advisory/typo3-core-sa-2019-020"},{"type":"WEB","url":"http://github.com/TYPO3/typo3/commit/647aa7afa582983cddc547fa106d31e2b1ef34fe"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-10-24T10:30:54.388773273Z"}}