{"id":"CVE-2021-36788","aliases":[],"url":"https://o3.security/vulnerability/CVE-2021-36788","summary":"Cross-site Scripting in the yoast_seo TYPO3 extension","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":"2021-09-01T18:36:44Z","modified":"2023-11-08T04:06:16.613887Z","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":null,"cisaKev":null,"exploitsKnown":0,"affectedPackages":[{"ecosystem":"Packagist","name":"yoast-seo-for-typo3/yoast_seo","fixedVersion":"7.2.3"}],"fix":{"url":"https://github.com/Yoast/Yoast-SEO-for-TYPO3/commit/a8278dae97dce8cd0722d38f7f5a30b563668590","label":"Yoast/Yoast-SEO-for-TYPO3@a8278da"},"references":[{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2021-36788"},{"type":"WEB","url":"https://github.com/Yoast/Yoast-SEO-for-TYPO3/commit/a8278dae97dce8cd0722d38f7f5a30b563668590"},{"type":"PACKAGE","url":"https://github.com/Yoast/Yoast-SEO-for-TYPO3"},{"type":"WEB","url":"https://typo3.org/security/advisory/typo3-ext-sa-2021-012"}],"provenance":{"sources":["OSV.dev","FIRST.org (EPSS)"],"lastVerified":"2023-11-08T04:06:16.613887Z"}}