{"id":"CVE-2021-32768","state":"PUBLISHED","title":"Cross-Site Scripting via Rich-Text Content","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.","publishedAt":"2021-08-10T16:30:11.000Z","updatedAt":"2024-08-03T23:33:55.826Z","severity":{"score":6.1,"label":"Medium","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N","source":"GitHub_M"},"assigner":"GitHub_M","products":["TYPO3 TYPO3.CMS"],"affected":[{"vendor":"TYPO3","product":"TYPO3.CMS","versions":[{"version":">= 7.0.0, < 7.6.53","status":"affected"},{"version":">= 8.0.0, < 8.7.42","status":"affected"},{"version":">= 9.0.0, < 9.5.29","status":"affected"},{"version":">= 10.0.0, < 10.4.19","status":"affected"},{"version":">= 11.0.0, < 11.3.2","status":"affected"}]}],"references":["https://typo3.org/security/advisory/typo3-core-sa-2021-013","https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-c5c9-8c6m-727v"],"weaknesses":["CWE-79"],"ingestedAt":"2026-10-29T19:48:33.225Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/32xxx/CVE-2021-32768.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-32768","state":"PUBLISHED","datePublished":"2021-08-10T16:30:11.000Z","dateUpdated":"2024-08-03T23:33:55.826Z","assignerShortName":"GitHub_M","assignerOrgId":"a0819718-46f1-4df5-94e2-005712e83aaa","dateReserved":"2021-05-12T00:00:00.000Z"},"containers":{"cna":{"title":"Cross-Site Scripting via Rich-Text Content","descriptions":[{"lang":"en","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."}],"affected":[{"vendor":"TYPO3","product":"TYPO3.CMS","versions":[{"version":">= 7.0.0, < 7.6.53","status":"affected"},{"version":">= 8.0.0, < 8.7.42","status":"affected"},{"version":">= 9.0.0, < 9.5.29","status":"affected"},{"version":">= 10.0.0, < 10.4.19","status":"affected"},{"version":">= 11.0.0, < 11.3.2","status":"affected"}]}],"references":[{"url":"https://typo3.org/security/advisory/typo3-core-sa-2021-013","tags":["x_refsource_MISC"]},{"url":"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-c5c9-8c6m-727v","tags":["x_refsource_CONFIRM"]}],"metrics":[{"cvssV3_1":{"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"}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-79","description":"CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"GitHub_M","dateUpdated":"2021-08-10T16:30:11.000Z","orgId":"a0819718-46f1-4df5-94e2-005712e83aaa"},"source":{"advisory":"GHSA-c5c9-8c6m-727v","discovery":"UNKNOWN"},"x_legacyV4Record":{"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. 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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"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://typo3.org/security/advisory/typo3-core-sa-2021-013","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://github.com/TYPO3/TYPO3.CMS/security/advisories/GHSA-c5c9-8c6m-727v","tags":["x_refsource_CONFIRM","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T23:33:55.826Z"}}]}}}