{"id":"CVE-2021-30458","state":"PUBLISHED","title":"An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a <meta> t","description":"An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a <meta> tag, bypassing sanitization steps, and potentially allowing for XSS.","publishedAt":"2021-04-09T06:06:04.000Z","updatedAt":"2024-08-03T22:32:41.119Z","severity":null,"assigner":"mitre","products":["n/a n/a"],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":["https://phabricator.wikimedia.org/T279451","https://www.mediawiki.org/wiki/Parsoid","https://security.gentoo.org/glsa/202107-40"],"weaknesses":[],"ingestedAt":"2026-10-29T19:48:26.823Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/30xxx/CVE-2021-30458.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.1","cveMetadata":{"cveId":"CVE-2021-30458","state":"PUBLISHED","datePublished":"2021-04-09T06:06:04.000Z","dateUpdated":"2024-08-03T22:32:41.119Z","assignerShortName":"mitre","assignerOrgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca","dateReserved":"2021-04-08T00:00:00.000Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a <meta> tag, bypassing sanitization steps, and potentially allowing for XSS."}],"affected":[{"vendor":"n/a","product":"n/a","versions":[{"version":"n/a","status":"affected"}]}],"references":[{"url":"https://phabricator.wikimedia.org/T279451","tags":["x_refsource_MISC"]},{"url":"https://www.mediawiki.org/wiki/Parsoid","tags":["x_refsource_MISC"]},{"url":"https://security.gentoo.org/glsa/202107-40","name":"GLSA-202107-40","tags":["vendor-advisory","x_refsource_GENTOO"]}],"problemTypes":[{"descriptions":[{"description":"n/a","lang":"en","type":"text"}]}],"providerMetadata":{"shortName":"mitre","dateUpdated":"2021-07-17T07:06:34.000Z","orgId":"8254265b-2729-46b6-b9e3-3dfca2d5bfca"},"source":{"discovery":"INTERNAL"},"x_legacyV4Record":{"CVE_data_meta":{"ASSIGNER":"cve@mitre.org","ID":"CVE-2021-30458","STATE":"PUBLIC"},"affects":{"vendor":{"vendor_data":[{"product":{"product_data":[{"product_name":"n/a","version":{"version_data":[{"version_value":"n/a"}]}}]},"vendor_name":"n/a"}]}},"data_format":"MITRE","data_type":"CVE","data_version":"4.0","description":{"description_data":[{"lang":"eng","value":"An issue was discovered in Wikimedia Parsoid before 0.11.1 and 0.12.x before 0.12.2. An attacker can send crafted wikitext that Utils/WTUtils.php will transform by using a <meta> tag, bypassing sanitization steps, and potentially allowing for XSS."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"n/a"}]}]},"references":{"reference_data":[{"name":"https://phabricator.wikimedia.org/T279451","refsource":"MISC","url":"https://phabricator.wikimedia.org/T279451"},{"name":"https://www.mediawiki.org/wiki/Parsoid","refsource":"MISC","url":"https://www.mediawiki.org/wiki/Parsoid"},{"name":"GLSA-202107-40","refsource":"GENTOO","url":"https://security.gentoo.org/glsa/202107-40"}]},"source":{"discovery":"INTERNAL"}}},"adp":[{"title":"CVE Program Container","references":[{"url":"https://phabricator.wikimedia.org/T279451","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://www.mediawiki.org/wiki/Parsoid","tags":["x_refsource_MISC","x_transferred"]},{"url":"https://security.gentoo.org/glsa/202107-40","name":"GLSA-202107-40","tags":["vendor-advisory","x_refsource_GENTOO","x_transferred"]}],"providerMetadata":{"shortName":"CVE","orgId":"af854a3a-2127-422b-91ae-364da2661108","dateUpdated":"2024-08-03T22:32:41.119Z"}}]}}}