{"id":"GHSA-86hp-xrhj-fhpq","aliases":["CVE-2019-12747"],"title":"TYPO3 Vulnerable to Insecure Deserialization","description":"TYPO3 8.x through 8.7.26 and 9.x through 9.5.7 allows Deserialization of Untrusted Data.","severity":"high","score":8.8,"published":"2022-05-24T22:00:13.000Z","modified":"2026-02-03T03:06:20.328Z","withdrawn":false,"knownExploited":false,"affected":[{"ecosystem":"Packagist","name":"typo3/cms-core","ranges":[{"events":[{"introduced":"8.0.0"},{"fixed":"8.7.27"}],"type":"ECOSYSTEM"}],"versions":["v8.7.10","v8.7.11","v8.7.12","v8.7.13","v8.7.14","v8.7.15","v8.7.16","v8.7.17","v8.7.18","v8.7.19","v8.7.20","v8.7.21","v8.7.22","v8.7.23","v8.7.24","v8.7.25","v8.7.26","v8.7.7","v8.7.8","v8.7.9"],"fixed":["8.7.27"]},{"ecosystem":"Packagist","name":"typo3/cms-core","ranges":[{"events":[{"introduced":"9.0.0"},{"fixed":"9.5.8"}],"type":"ECOSYSTEM"}],"versions":["v9.0.0","v9.1.0","v9.2.0","v9.2.1","v9.3.0","v9.3.1","v9.3.2","v9.3.3","v9.4.0","v9.5.0","v9.5.1","v9.5.2","v9.5.3","v9.5.4","v9.5.5","v9.5.6","v9.5.7"],"fixed":["9.5.8"]},{"ecosystem":"Packagist","name":"typo3/cms","ranges":[{"events":[{"introduced":"8.0.0"},{"fixed":"8.7.27"}],"type":"ECOSYSTEM"}],"versions":["8.0.0","8.0.1","8.1.0","8.1.1","8.1.2","8.2.0","8.2.1","8.3.0","8.3.1","8.4.0","8.4.1","8.5.0","8.5.1","8.6.0","8.6.1","8.7.0","8.7.1","8.7.2","v8.7.10","v8.7.11","v8.7.12","v8.7.13","v8.7.14","v8.7.15","v8.7.16","v8.7.17","v8.7.18","v8.7.19","v8.7.20","v8.7.21","v8.7.22","v8.7.23","v8.7.24","v8.7.25","v8.7.26","v8.7.3","v8.7.4","v8.7.5","v8.7.6","v8.7.7","v8.7.8","v8.7.9"],"fixed":["8.7.27"]},{"ecosystem":"Packagist","name":"typo3/cms","ranges":[{"events":[{"introduced":"9.0.0"},{"fixed":"9.5.8"}],"type":"ECOSYSTEM"}],"versions":["v9.0.0","v9.1.0","v9.2.0","v9.2.1","v9.3.0","v9.3.1","v9.3.2","v9.3.3","v9.4.0","v9.5.0","v9.5.1","v9.5.2","v9.5.3","v9.5.4","v9.5.5","v9.5.6","v9.5.7"],"fixed":["9.5.8"]}],"references":["https://nvd.nist.gov/vuln/detail/CVE-2019-12747","https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2019-12747.yaml","https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2019-12747.yaml","https://github.com/TYPO3-CMS/core","https://typo3.org/cms/release-news/typo3-8-release-notes","https://typo3.org/security/advisory/typo3-core-sa-2019-020","http://github.com/TYPO3/typo3/commit/647aa7afa582983cddc547fa106d31e2b1ef34fe"],"sources":[{"name":"OSV","id":"GHSA-86hp-xrhj-fhpq","modified":"2026-02-03T03:06:20.328427Z","url":"https://osv.dev/vulnerability/GHSA-86hp-xrhj-fhpq"}],"assessments":[{"source":"OSV","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":8.8}]}