{"id":"CVE-2022-33154","aliases":["GHSA-374w-gwqr-fmxg"],"url":"https://o3.security/vulnerability/CVE-2022-33154","summary":"brotkrueml/schema fails to properly encode user input for output in HTML context, leading to XSS","details":"The extension fails to properly encode user input for output in HTML context. A TYPO3 backend user account is required to exploit the vulnerability.","published":"2022-07-12T21:56:37Z","modified":"2026-08-12T03:51:31.727369097Z","cvss":{"score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"epss":{"score":0.00501,"percentile":0.41693,"asOf":"2026-09-16"},"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"brotkrueml/schema","fixedVersion":"2.5.1"},{"ecosystem":"Packagist","name":"brotkrueml/schema","fixedVersion":"1.13.1"}],"fix":null,"references":[{"type":"ADVISORY","url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/33xxx/CVE-2022-33154.json"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2022-33154"},{"type":"ADVISORY","url":"https://typo3.org/security/advisory/typo3-ext-sa-2022-012"},{"type":"WEB","url":"https://github.com/FriendsOfPHP/security-advisories/blob/master/brotkrueml/schema/CVE-2022-33154.yaml"},{"type":"PACKAGE","url":"https://github.com/brotkrueml/schema"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2026-08-12T03:51:31.727369097Z"}}