{"id":"GHSA-mm79-jhqm-9j54","summary":"Bypassing Cross-Site Scripting Protection in TYPO3 HTML Sanitizer","details":"\u003e ### CVSS: `CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N/E:F/RL:O/RC:C` (4.4)\n\n### Problem\nDOM processing instructions are not handled correctly. This allows bypassing the cross-site scripting mechanism of [`typo3/html-sanitizer`](https://packagist.org/packages/typo3/html-sanitizer).\n\n### Solution\nUpdate to `typo3/html-sanitizer` versions 1.5.3 or 2.1.4 that fix the problem described.\n\n### Credits\nThanks to Yaniv Nizry and Niels Dossche who reported this issue, and to TYPO3 core & security team member Oliver Hader who fixed the issue.\n\n### References\n* [TYPO3-CORE-SA-2023-007](https://typo3.org/security/advisory/typo3-core-sa-2023-007)\n* [Context & Details at `masterminds/html5`](https://github.com/Masterminds/html5-php/issues/241)","aliases":["BIT-typo3-2023-47125","CVE-2023-47125"],"modified":"2026-09-10T03:50:04.276093579Z","published":"2023-11-14T20:33:27Z","database_specific":{"github_reviewed":true,"github_reviewed_at":"2023-11-14T20:33:27Z","nvd_published_at":"2023-11-14T20:15:07Z","cwe_ids":["CWE-79"],"severity":"MODERATE"},"references":[{"type":"WEB","url":"https://github.com/TYPO3/html-sanitizer/security/advisories/GHSA-mm79-jhqm-9j54"},{"type":"ADVISORY","url":"https://nvd.nist.gov/vuln/detail/CVE-2023-47125"},{"type":"WEB","url":"https://github.com/TYPO3/html-sanitizer/commit/b8f90717251d968c49dc77f8c1e5912e2fbe0dff"},{"type":"PACKAGE","url":"https://github.com/TYPO3/html-sanitizer"},{"type":"WEB","url":"https://typo3.org/security/advisory/typo3-core-sa-2023-007"}],"affected":[{"package":{"name":"typo3/html-sanitizer","ecosystem":"Packagist","purl":"pkg:composer/typo3/html-sanitizer"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"1.0.0"},{"fixed":"1.5.3"}]}],"versions":["v1.0.0","v1.0.1","v1.0.2","v1.0.3","v1.0.4","v1.0.5","v1.0.6","v1.0.7","v1.5.0","v1.5.1","v1.5.2"],"database_specific":{"last_known_affected_version_range":"\u003c= 1.5.2","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-mm79-jhqm-9j54/GHSA-mm79-jhqm-9j54.json"}},{"package":{"name":"typo3/html-sanitizer","ecosystem":"Packagist","purl":"pkg:composer/typo3/html-sanitizer"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"2.0.0"},{"fixed":"2.1.4"}]}],"versions":["v2.0.0","v2.0.1","v2.0.10","v2.0.11","v2.0.12","v2.0.13","v2.0.14","v2.0.15","v2.0.16","v2.0.2","v2.0.3","v2.0.4","v2.0.5","v2.0.6","v2.0.7","v2.0.8","v2.0.9","v2.1.0","v2.1.1","v2.1.2","v2.1.3"],"database_specific":{"last_known_affected_version_range":"\u003c= 2.1.3","source":"https://github.com/github/advisory-database/blob/main/advisories/github-reviewed/2023/11/GHSA-mm79-jhqm-9j54/GHSA-mm79-jhqm-9j54.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:L/A:N"}]}