{"containers": {"cna": {"affected": [{"product": "moodle", "vendor": "n/a", "versions": [{"status": "affected", "version": "moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16"}]}], "descriptions": [{"lang": "en", "value": "It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that if the TeX notation filter was enabled, additional sanitizing of TeX content was required to prevent the risk of stored XSS."}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"dateUpdated": "2021-01-28T18:38:03.000Z", "orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "shortName": "redhat"}, "references": [{"tags": ["x_refsource_MISC"], "url": "https://moodle.org/mod/forum/discuss.php?d=417170"}], "x_legacyV4Record": {"CVE_data_meta": {"ASSIGNER": "secalert@redhat.com", "ID": "CVE-2021-20186", "STATE": "PUBLIC"}, "affects": {"vendor": {"vendor_data": [{"product": {"product_data": [{"product_name": "moodle", "version": {"version_data": [{"version_value": "moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16"}]}}]}, "vendor_name": "n/a"}]}}, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": {"description_data": [{"lang": "eng", "value": "It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that if the TeX notation filter was enabled, additional sanitizing of TeX content was required to prevent the risk of stored XSS."}]}, "problemtype": {"problemtype_data": [{"description": [{"lang": "eng", "value": "CWE-79"}]}]}, "references": {"reference_data": [{"name": "https://moodle.org/mod/forum/discuss.php?d=417170", "refsource": "MISC", "url": "https://moodle.org/mod/forum/discuss.php?d=417170"}]}}}, "adp": [{"providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-03T17:30:07.769Z"}, "title": "CVE Program Container", "references": [{"tags": ["x_refsource_MISC", "x_transferred"], "url": "https://moodle.org/mod/forum/discuss.php?d=417170"}]}]}, "cveMetadata": {"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749", "assignerShortName": "redhat", "cveId": "CVE-2021-20186", "datePublished": "2021-01-28T18:38:03.000Z", "dateReserved": "2020-12-17T00:00:00.000Z", "dateUpdated": "2024-08-03T17:30:07.769Z", "state": "PUBLISHED"}, "dataType": "CVE_RECORD", "dataVersion": "5.1"}

{}

{"affected": [{"affectedData": [{"product": "moodle", "vendor": "n/a", "versions": [{"status": "affected", "version": "moodle 3.10.1, moodle 3.9.4, moodle 3.8.7, moodle 3.5.16"}]}], "source": "secalert@redhat.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*", "matchCriteriaId": "0B9E3D3B-E8BB-458B-B7FC-D490CAFEEA1F", "versionEndExcluding": "3.5.16", "vulnerable": true}, {"criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*", "matchCriteriaId": "4C0C5BDE-B2B5-4DE7-BDE0-831F3B56A9CC", "versionEndExcluding": "3.8.7", "versionStartIncluding": "3.8.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*", "matchCriteriaId": "47B9548F-912D-4D36-BE31-566EF2812EEA", "versionEndExcluding": "3.9.4", "versionStartIncluding": "3.9.0", "vulnerable": true}, {"criteria": "cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*", "matchCriteriaId": "4812BB5A-37AE-4A51-8A3D-C3F214FE0B4A", "versionEndExcluding": "3.10.1", "versionStartIncluding": "3.10.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "It was found in Moodle before version 3.10.1, 3.9.4, 3.8.7 and 3.5.16 that if the TeX notation filter was enabled, additional sanitizing of TeX content was required to prevent the risk of stored XSS."}, {"lang": "es", "value": "Se encontr\u00f3 en Moodle versiones anteriores a 3.10.1, 3.9.4, 3.8.7 y 3.5.16, que si el filtro de notaci\u00f3n TeX estaba habilitado, se requer\u00eda una desinfecci\u00f3n adicional del contenido TeX para prevenir el riesgo de un XSS almacenado"}], "id": "CVE-2021-20186", "lastModified": "2026-06-17T03:33:26.297", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "HIGH", "accessVector": "NETWORK", "authentication": "SINGLE", "availabilityImpact": "NONE", "baseScore": 2.1, "confidentialityImpact": "PARTIAL", "integrityImpact": "NONE", "vectorString": "AV:N/AC:H/Au:S/C:P/I:N/A:N", "version": "2.0"}, "exploitabilityScore": 3.9, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "nvd@nist.gov", "type": "Primary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 5.4, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2021-01-28T19:15:13.300", "references": [{"source": "secalert@redhat.com", "tags": ["Patch", "Vendor Advisory"], "url": "https://moodle.org/mod/forum/discuss.php?d=417170"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Patch", "Vendor Advisory"], "url": "https://moodle.org/mod/forum/discuss.php?d=417170"}], "sourceIdentifier": "secalert@redhat.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "secalert@redhat.com", "type": "Secondary"}]}

{}

{}