{"action":"Upgrade typo3/cms to 4.0.12 or later.","affected":[{"introduced":"3.3.0"},{"fixed":"4.0.12","introduced":"4.0"},{"fixed":"4.1.10","introduced":"4.1.0"},{"fixed":"4.2.6","introduced":"4.2.0"}],"component":"typo3/cms","cve_ids":["CVE-2009-0816"],"ecosystem":"Packagist","epss":0.01056,"exploited":false,"fixed_versions":["4.0.12","4.1.10","4.2.6"],"ghsa_id":"GHSA-jg55-3q6h-2ccf","id":"tcs_01M5KF4J08FMWRE7J7EA1TC6V6","modified_at":"2026-09-10T03:49:34.243288642Z","published_at":"2022-05-02T03:18:37Z","references":["https://osv.dev/vulnerability/GHSA-jg55-3q6h-2ccf","https://nvd.nist.gov/vuln/detail/CVE-2009-0816","https://web.archive.org/web/20210507104956/http://www.securitytracker.com/id?1021709","http://typo3.org/teams/security/security-bulletins/typo3-sa-2009-002","http://www.debian.org/security/2009/dsa-1720","http://www.openwall.com/lists/oss-security/2009/02/10/6"],"severity":{"label":"medium"},"sources":[{"source":"osv","source_id":"GHSA-jg55-3q6h-2ccf","url":"https://osv.dev/vulnerability/GHSA-jg55-3q6h-2ccf"}],"summary":"Typo3 Backend XSS Vulnerability"}