{"dataType": "CVE_RECORD", "cveMetadata": {"state": "PUBLISHED", "cveId": "CVE-2024-23176", "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "assignerShortName": "mitre", "dateUpdated": "2026-09-14T15:23:47.638Z", "dateReserved": "2024-01-12T00:00:00.000Z", "datePublished": "2026-09-14T00:00:00.000Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "product": "MassMessage", "vendor": "MediaWiki", "versions": [{"lessThan": "1.40.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "descriptions": [{"lang": "en", "value": "An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special:MassMessage?uselang=x-xss URL, the i18n key massmessage-form-page-help allows XSS."}], "metrics": [{"cvssV3_1": {"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"}, "format": "CVSS", "scenarios": [{"lang": "en", "value": "GENERAL"}]}], "problemTypes": [{"descriptions": [{"cweId": "CWE-79", "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca", "shortName": "mitre", "dateUpdated": "2026-09-14T06:25:59.602Z"}, "references": [{"url": "https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/message/TDBUBCCOQJUT4SCHJNPHKQNPBUUETY52/"}, {"url": "https://phabricator.wikimedia.org/T347742"}], "x_generator": {"engine": "enrichogram 0.0.1"}}, "adp": [{"references": [{"url": "https://phabricator.wikimedia.org/T347742", "tags": ["exploit"]}], "metrics": [{"other": {"type": "ssvc", "content": {"timestamp": "2026-09-14T15:23:37.190582Z", "id": "CVE-2024-23176", "options": [{"Exploitation": "poc"}, {"Automatable": "no"}, {"Technical Impact": "partial"}], "role": "CISA Coordinator", "version": "2.0.3"}}}], "title": "CISA ADP Vulnrichment", "providerMetadata": {"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-09-14T15:23:47.638Z"}}]}, "dataVersion": "5.2"}

{}

{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "MassMessage", "vendor": "MediaWiki", "versions": [{"lessThan": "1.40.2", "status": "affected", "version": "0", "versionType": "semver"}]}], "source": "cve@mitre.org"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "An issue was discovered in the MassMessage extension in MediaWiki before 1.40.2. For a Special:MassMessage?uselang=x-xss URL, the i18n key massmessage-form-page-help allows XSS."}], "id": "CVE-2024-23176", "lastModified": "2026-09-14T16:17:04.980", "metrics": {"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": "cve@mitre.org", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-23176", "options": [{"exploitation": "poc"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-09-14T15:23:37.190582Z", "version": "2.0.3"}}]}, "published": "2026-09-14T07:17:16.097", "references": [{"source": "cve@mitre.org", "url": "https://lists.wikimedia.org/hyperkitty/list/mediawiki-announce@lists.wikimedia.org/message/TDBUBCCOQJUT4SCHJNPHKQNPBUUETY52/"}, {"source": "cve@mitre.org", "url": "https://phabricator.wikimedia.org/T347742"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "url": "https://phabricator.wikimedia.org/T347742"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "cve@mitre.org", "type": "Secondary"}]}

{}

{"created": "2026-09-14T12:30:21.400983+00:00", "title": "MassMessage Extension Cross\u2011Site Scripting via i18n Key in MediaWiki", "updated": "2026-09-14T12:30:21.400991+00:00", "vendors": []}