CVE-2021-30458

{"containers": {"cna": {"affected": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "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."}], "problemTypes": [{"descriptions": [{"description": "n/a", "lang": "en", "type": "text"}]}], "providerMetadata": {"dateUpdated": "2021-07-17T07:06:34.000Z", "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://phabricator.wikimedia.org/T279451"}, {"tags": ["x_refsource_MISC"], "url": "https://www.mediawiki.org/wiki/Parsoid"}, {"name": "GLSA-202107-40", "tags": ["vendor-advisory", "x_refsource_GENTOO"], "url": "https://security.gentoo.org/glsa/202107-40"}], "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": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T22:32:41.119Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://phabricator.wikimedia.org/T279451"}, {"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://www.mediawiki.org/wiki/Parsoid"}, {"name": "GLSA-202107-40", "tags": ["vendor-advisory", "x_refsource_GENTOO", "x_transferred"], "url": "https://security.gentoo.org/glsa/202107-40"}]}]}, "cveMetadata": {"assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "cveId": "CVE-2021-30458", "datePublished": "2021-04-09T06:06:04.000Z", "dateReserved": "2021-04-08T00:00:00.000Z", "dateUpdated": "2024-08-03T22:32:41.119Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

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{"affected": [{"affectedData": [{"product": "n/a", "vendor": "n/a", "versions": [{"status": "affected", "version": "n/a"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:wikimedia:parsoid:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "408D1321-296E-4CB8-A98C-12CE8392C0A5", "versionEndExcluding": "0.11.1", "vulnerable": true}, {"criteria": "cpe:2.3:a:wikimedia:parsoid:*:*:*:*:*:node.js:*:*", "matchCriteriaId": "C593714B-0C34-47D4-A4B0-F8FDA2B31EDF", "versionEndExcluding": "0.12.2", "versionStartIncluding": "0.12.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "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."}, {"lang": "es", "value": "Se detect\u00f3 un problema en Wikimedia Parsoid versiones anteriores a 0.11.1 y versiones 0.12.x anteriores a 0.12.2.&#xa0;Un atacante puede enviar wikitexto dise\u00f1ado que el archivo Utils/WTUtils.php transformar\u00e1 mediante el uso de una etiqueta (meta), omitiendo los pasos de saneamiento y potencialmente permitiendo un ataque de tipo XSS"}], "id": "CVE-2021-30458", "lastModified": "2026-06-17T03:50:16.960", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "MEDIUM", "cvssData": {"accessComplexity": "MEDIUM", "accessVector": "NETWORK", "authentication": "NONE", "availabilityImpact": "NONE", "baseScore": 4.3, "confidentialityImpact": "NONE", "integrityImpact": "PARTIAL", "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N", "version": "2.0"}, "exploitabilityScore": 8.6, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": true}], "cvssMetricV31": [{"cvssData": {"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"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-04-09T07:15:16.340", "references": [{"source": "cve@mitre.org", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://phabricator.wikimedia.org/T279451"}, {"source": "cve@mitre.org", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202107-40"}, {"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://www.mediawiki.org/wiki/Parsoid"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Issue Tracking", "Vendor Advisory"], "url": "https://phabricator.wikimedia.org/T279451"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory"], "url": "https://security.gentoo.org/glsa/202107-40"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Vendor Advisory"], "url": "https://www.mediawiki.org/wiki/Parsoid"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}]}

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