{"api_version":"1","generated_at":"2026-07-24T02:25:25+00:00","cve":"CVE-2021-32768","urls":{"html":"https://cve.report/CVE-2021-32768","api":"https://cve.report/api/cve/CVE-2021-32768.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2021-32768","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2021-32768"},"summary":{"title":"CVE-2021-32768","description":"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.","state":"PUBLIC","assigner":"security-advisories@github.com","published_at":"2021-08-10 17:15:00","updated_at":"2021-08-19 15:51:00"},"problem_types":["CWE-79"],"metrics":[],"references":[{"url":"https://typo3.org/security/advisory/typo3-core-sa-2021-013","name":"https://typo3.org/security/advisory/typo3-core-sa-2021-013","refsource":"MISC","tags":[],"title":"TYPO3-CORE-SA-2021-013: Cross-Site Scripting via Rich-Text Content","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-c5c9-8c6m-727v","name":"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-c5c9-8c6m-727v","refsource":"CONFIRM","tags":[],"title":"Cross-Site Scripting via Rich-Text Content · Advisory · TYPO3/typo3 · GitHub","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2021-32768","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-32768","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2021","cve_id":"32768","vulnerable":"1","versionEndIncluding":"10.4.18","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"typo3","cpe5":"typo3","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"32768","vulnerable":"1","versionEndIncluding":"11.3.1","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"typo3","cpe5":"typo3","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"32768","vulnerable":"1","versionEndIncluding":"7.6.52","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"typo3","cpe5":"typo3","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"elts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"32768","vulnerable":"1","versionEndIncluding":"8.7.41","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"typo3","cpe5":"typo3","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"elts","cpe11":"*","cpe12":"*","cpe13":"*"},{"cve_year":"2021","cve_id":"32768","vulnerable":"1","versionEndIncluding":"9.5.28","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"typo3","cpe5":"typo3","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"CVE_data_meta":{"ASSIGNER":"security-advisories@github.com","ID":"CVE-2021-32768","STATE":"PUBLIC","TITLE":"Cross-Site Scripting via Rich-Text Content"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"TYPO3.CMS","version":{"version_data":[{"version_value":">= 7.0.0, < 7.6.53"},{"version_value":">= 8.0.0, < 8.7.42"},{"version_value":">= 9.0.0, < 9.5.29"},{"version_value":">= 10.0.0, < 10.4.19"},{"version_value":">= 11.0.0, < 11.3.2"}]}}]},"vendor_name":"TYPO3"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"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."}]},"impact":{"cvss":{"attackComplexity":"LOW","attackVector":"NETWORK","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM","confidentialityImpact":"LOW","integrityImpact":"LOW","privilegesRequired":"NONE","scope":"CHANGED","userInteraction":"REQUIRED","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","version":"3.1"}},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')"}]}]},"references":{"reference_data":[{"name":"https://typo3.org/security/advisory/typo3-core-sa-2021-013","refsource":"MISC","url":"https://typo3.org/security/advisory/typo3-core-sa-2021-013"},{"name":"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-c5c9-8c6m-727v","refsource":"CONFIRM","url":"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-c5c9-8c6m-727v"}]},"source":{"advisory":"GHSA-c5c9-8c6m-727v","discovery":"UNKNOWN"}},"nvd":{"publishedDate":"2021-08-10 17:15:00","lastModifiedDate":"2021-08-19 15:51:00","problem_types":["CWE-79"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"REQUIRED","scope":"CHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE","baseScore":6.1,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.8,"impactScore":2.7},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:M/Au:N/C:N/I:P/A:N","accessVector":"NETWORK","accessComplexity":"MEDIUM","authentication":"NONE","confidentialityImpact":"NONE","integrityImpact":"PARTIAL","availabilityImpact":"NONE","baseScore":4.3},"severity":"MEDIUM","exploitabilityScore":8.6,"impactScore":2.9,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":true}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*","versionStartIncluding":"9.0.0","versionEndIncluding":"9.5.28","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*","versionStartIncluding":"11.0.0","versionEndIncluding":"11.3.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:typo3:typo3:*:*:*:*:*:*:*:*","versionStartIncluding":"10.0.0","versionEndIncluding":"10.4.18","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:typo3:typo3:*:*:*:*:elts:*:*:*","versionStartIncluding":"7.0.0","versionEndIncluding":"7.6.52","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:typo3:typo3:*:*:*:*:elts:*:*:*","versionStartIncluding":"8.0.0","versionEndIncluding":"8.7.41","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2021","CveId":"32768","Ordinal":"208156","Title":"CVE-2021-32768","CVE":"CVE-2021-32768","Year":"2021"},"notes":[{"CveYear":"2021","CveId":"32768","Ordinal":"1","NoteData":"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.","Type":"Description","Title":null},{"CveYear":"2021","CveId":"32768","Ordinal":"2","NoteData":"2021-08-10","Type":"Other","Title":"Published"},{"CveYear":"2021","CveId":"32768","Ordinal":"3","NoteData":"2021-08-10","Type":"Other","Title":"Modified"}]}}}