{"id":"BIT-typo3-2021-32768","details":"TYPO3 is an open source PHP based web content management system released under the GNU GPL. In affected versions failing to properly parse, sanitize and encode malicious rich-text content, the content rendering process in the website frontend is vulnerable to cross-site scripting. Corresponding rendering instructions via TypoScript functionality HTMLparser does not consider all potentially malicious HTML tag & attribute combinations per default. In default scenarios, a valid backend user account is needed to exploit this vulnerability. In case custom plugins used in the website frontend accept and reflect rich-text content submitted by users, no authentication is required. Update to TYPO3 versions 7.6.53 ELTS, 8.7.42 ELTS, 9.5.29, 10.4.19, 11.3.2 that fix the problem described.","aliases":["CVE-2021-32768","GHSA-c5c9-8c6m-727v"],"modified":"2024-03-06T11:25:28.861Z","published":"2024-03-06T11:10:25.803Z","database_specific":{"cpes":["cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*","cpe:2.3:a:typo3:typo3:*:*:*:*:elts:*:*:*"],"severity":"Medium"},"references":[{"type":"WEB","url":"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-c5c9-8c6m-727v"},{"type":"WEB","url":"https://typo3.org/security/advisory/typo3-core-sa-2021-013"}],"affected":[{"package":{"name":"typo3","ecosystem":"Bitnami","purl":"pkg:bitnami/typo3"},"ranges":[{"type":"SEMVER","events":[{"introduced":"7.0.0"},{"fixed":"7.6.52"},{"introduced":"8.0.0"},{"fixed":"8.7.41"},{"introduced":"9.0.0"},{"fixed":"9.5.28"},{"introduced":"10.0.0"},{"fixed":"10.4.18"},{"introduced":"11.0.0"},{"fixed":"11.3.1"}]}],"database_specific":{"source":"https://github.com/bitnami/vulndb/tree/main/data/typo3/BIT-typo3-2021-32768.json"},"severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}],"schema_version":"1.7.3"}