{"dataType": "CVE_RECORD", "cveMetadata": {"cveId": "CVE-2023-3550", "assignerOrgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869", "state": "PUBLISHED", "assignerShortName": "Fluid Attacks", "dateReserved": "2023-07-08T01:02:40.399Z", "datePublished": "2023-09-25T15:20:27.351Z", "dateUpdated": "2023-09-25T15:20:27.351Z"}, "containers": {"cna": {"affected": [{"defaultStatus": "unaffected", "platforms": ["MacOS"], "product": "MediaWiki", "vendor": "MediaWiki", "versions": [{"status": "affected", "version": "1.40.0"}]}], "datePublic": "2023-10-11T17:00:00.000Z", "descriptions": [{"lang": "en", "supportingMedia": [{"base64": false, "type": "text/html", "value": "<div><div>Mediawiki v1.40.0 does not validate namespaces used in XML files.</div><div>Therefore, if the instance administrator allows XML file uploads,</div><div>a remote attacker with a low-privileged user account can use this</div><div>exploit to become an administrator by sending a malicious link to</div><div>the instance administrator.</div></div>"}], "value": "Mediawiki v1.40.0 does not validate namespaces used in XML files.\n\nTherefore, if the instance administrator allows XML file uploads,\n\na remote attacker with a low-privileged user account can use this\n\nexploit to become an administrator by sending a malicious link to\n\nthe instance administrator.\n\n\n\n"}], "impacts": [{"capecId": "CAPEC-592", "descriptions": [{"lang": "en", "value": "CAPEC-592 Stored XSS"}]}], "metrics": [{"cvssV3_1": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/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 ('Cross-site Scripting')", "lang": "en", "type": "CWE"}]}], "providerMetadata": {"orgId": "84fe0718-d6bb-4716-a7e8-81a6d1daa869", "shortName": "Fluid Attacks", "dateUpdated": "2023-09-25T15:20:27.351Z"}, "references": [{"url": "https://fluidattacks.com/advisories/blondie/"}, {"url": "https://www.mediawiki.org/wiki/MediaWiki/"}, {"url": "https://www.debian.org/security/2023/dsa-5520"}, {"url": "https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html"}, {"url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/"}], "source": {"discovery": "EXTERNAL"}, "title": "Stored XSS leads to privilege escalation in MediaWiki v1.40.0", "x_generator": {"engine": "Vulnogram 0.1.0-dev"}}}, "dataVersion": "5.1"}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mediawiki:mediawiki:1.40.0:-:*:*:*:*:*:*", "matchCriteriaId": "195C853F-2D51-44A4-990E-8E04FF4E9AA8", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*", "matchCriteriaId": "07B237A9-69A3-4A9C-9DA0-4E06BD37AE73", "vulnerable": true}, {"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "descriptions": [{"lang": "en", "value": "Mediawiki v1.40.0 does not validate namespaces used in XML files.\n\nTherefore, if the instance administrator allows XML file uploads,\n\na remote attacker with a low-privileged user account can use this\n\nexploit to become an administrator by sending a malicious link to\n\nthe instance administrator.\n\n\n\n"}, {"lang": "es", "value": "Mediawiki v1.40.0 no valida los espacios de nombres utilizados en archivos XML. Por lo tanto, si el administrador de la instancia permite la carga de archivos XML, un atacante remoto con una cuenta de usuario con pocos privilegios puede utilizar este exploit para convertirse en administrador enviando un enlace malicioso al administrador de la instancia.\n"}], "id": "CVE-2023-3550", "lastModified": "2024-06-10T17:16:13.043", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.3, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 2.1, "impactScore": 5.2, "source": "help@fluidattacks.com", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 2.3, "impactScore": 6.0, "source": "nvd@nist.gov", "type": "Secondary"}]}, "published": "2023-09-25T16:15:14.347", "references": [{"source": "help@fluidattacks.com", "tags": ["Exploit", "Third Party Advisory"], "url": "https://fluidattacks.com/advisories/blondie/"}, {"source": "help@fluidattacks.com", "tags": ["Mailing List", "Third Party Advisory"], "url": "https://lists.debian.org/debian-lts-announce/2023/11/msg00027.html"}, {"source": "help@fluidattacks.com", "url": "https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FU2FGUXXK6TMV6R52VRECLC6XCSQQISY/"}, {"source": "help@fluidattacks.com", "tags": ["Third Party Advisory"], "url": "https://www.debian.org/security/2023/dsa-5520"}, {"source": "help@fluidattacks.com", "tags": ["Product"], "url": "https://www.mediawiki.org/wiki/MediaWiki/"}], "sourceIdentifier": "help@fluidattacks.com", "vulnStatus": "Modified", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "help@fluidattacks.com", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Secondary"}]}

{}