{"id":"CVE-2011-4903","aliases":["DSA-2289-1","EUVD-2022-1806","GHSA-q22w-r5qq-v3wf"],"status":"published","title":"Typo3 XSS in RemoveXSS function","description":"Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the RemoveXSS function.","severity":{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00834,"percentile":0.57891,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-79"],"published":"2011-08-07T00:00:00Z","modified":"2026-06-16T23:35:36Z","fixes":[{"ecosystem":"Packagist","package":"typo3/cms","fixed_in":["4.3.12","4.4.9","4.5.4"],"sources":["ghsa","osv"]}],"affected":[{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.12"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.4.9"}]}]},{"source":"ghsa","ecosystem":"Packagist","package":"typo3/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.5.0"},{"fixed":"4.5.4"}]}]},{"source":"osv","ecosystem":"Debian:5.0","package":"typo3-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.2.5-1+lenny8"}]}],"versions":["4.2.5-1","4.2.5-1+lenny1","4.2.5-1+lenny2","4.2.5-1+lenny3","4.2.5-1+lenny4","4.2.5-1+lenny5","4.2.5-1+lenny6"],"bundled":12},{"source":"osv","ecosystem":"Debian:6.0","package":"typo3-src","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.9+dfsg1-1+squeeze1"}]}],"versions":["4.3.9+dfsg1-1"],"bundled":12},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"4.3.12"}]}]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.4.0"},{"fixed":"4.4.9"}]}]},{"source":"osv","ecosystem":"Packagist","package":"typo3/cms","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"4.5.0"},{"fixed":"4.5.4"}]}]}],"products":[{"vendor":"typo3","product":"typo3"}],"references":[{"url":"https://security-tracker.debian.org/tracker/CVE-2011-4903","tags":["x_refsource_MISC","x_transferred","Third Party Advisory","web"]},{"url":"https://typo3.org/security/advisory/typo3-core-sa-2011-001/#XSS","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory","web"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-4903","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-q22w-r5qq-v3wf"},{"url":"https://github.com/TYPO3/typo3","tags":["package"]}],"sources":{"cve":[{"id":"CVE-2011-4903","description":"Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the RemoveXSS function.","status":"published","published":"2019-11-06T16:55:59Z","modified":"2024-08-07T00:16:35.14Z","updated_at":"2026-11-02T14:35:37.989579Z"}],"euvd":[{"id":"EUVD-2022-1806","description":"Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the RemoveXSS function.","status":"published","published":"2019-11-06T16:55:59Z","modified":"2024-08-07T00:16:35Z","updated_at":"2026-11-03T01:39:48.106738Z"}],"ghsa":[{"id":"GHSA-q22w-r5qq-v3wf","title":"Typo3 XSS in RemoveXSS function","description":"Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the RemoveXSS function.","status":"published","published":"2022-04-22T00:24:10Z","modified":"2024-01-12T20:41:08Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:37:30.812736Z"}],"nvd":[{"id":"CVE-2011-4903","description":"Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the RemoveXSS function.","status":"published","published":"2019-11-06T17:15:11.33Z","modified":"2026-06-16T23:35:36.067Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T14:02:12.945371Z"}],"osv":[{"id":"GHSA-q22w-r5qq-v3wf","title":"Typo3 XSS in RemoveXSS function","description":"Cross-site Scripting (XSS) in TYPO3 before 4.3.12, 4.4.x before 4.4.9, and 4.5.x before 4.5.4 allows remote attackers to inject arbitrary web script or HTML via the RemoveXSS function.","status":"published","published":"2022-04-22T00:24:10Z","modified":"2024-01-12T21:11:35.793359Z","cvss":[{"version":"3.1","score":6.1,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","level":"medium"}],"cwes":["CWE-79"],"updated_at":"2026-11-02T15:46:53.700556Z"},{"id":"DSA-2289-1","title":"typo3-src - several","status":"published","published":"2011-08-07T00:00:00Z","modified":"2026-03-09T01:20:53.445246Z","updated_at":"2026-11-02T15:46:15.108335Z"}]}}