{"action":"Upgrade typo3/cms-core to 9.5.17 or later.","affected":[{"fixed":"9.5.17","introduced":"9.0.0"},{"fixed":"10.4.2","introduced":"10.0.0"}],"component":"typo3/cms-core","cve_ids":["CVE-2020-11064"],"ecosystem":"Packagist","epss":0.0054,"exploited":false,"fixed_versions":["9.5.17","10.4.2"],"ghsa_id":"GHSA-43gj-mj2w-wh46","id":"tcs_01M5KETGHGBEJZ1VZ3AB55S5VS","modified_at":"2026-07-08T06:00:31.305724090Z","published_at":"2020-05-13T23:17:48Z","references":["https://osv.dev/vulnerability/GHSA-43gj-mj2w-wh46","https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-43gj-mj2w-wh46","https://nvd.nist.gov/vuln/detail/CVE-2020-11064","https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms-core/CVE-2020-11064.yaml","https://github.com/FriendsOfPHP/security-advisories/blob/master/typo3/cms/CVE-2020-11064.yaml","https://typo3.org/security/advisory/typo3-core-sa-2020-002"],"severity":{"label":"medium","score":5.4},"sources":[{"source":"osv","source_id":"GHSA-43gj-mj2w-wh46","url":"https://osv.dev/vulnerability/GHSA-43gj-mj2w-wh46"}],"summary":"Cross-Site Scripting in TYPO3 CMS Form Engine"}