CVE-2021-41836

{"id": "CVE-2021-41836", "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 3.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N", "authentication": "SINGLE", "integrityImpact": "PARTIAL", "accessComplexity": "MEDIUM", "availabilityImpact": "NONE", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "LOW", "obtainAllPrivilege": false, "exploitabilityScore": 6.8, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV31": [{"type": "Primary", "source": "security@wordfence.com", "cvssData": {"scope": "CHANGED", "version": "3.1", "baseScore": 4.8, "attackVector": "NETWORK", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "integrityImpact": "LOW", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "NONE", "privilegesRequired": "HIGH", "confidentialityImpact": "LOW"}, "impactScore": 2.7, "exploitabilityScore": 1.7}]}, "published": "2021-12-14T16:15:09.147", "references": [{"url": "https://plugins.trac.wordpress.org/changeset?sfp_email=&sfph_mail=&reponame=&old=2641005%40fathom-analytics&new=2641005%40fathom-analytics&sfp_email=&sfph_mail=", "tags": ["Patch", "Third Party Advisory"], "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/vulnerability-advisories/#CVE-2021-41836", "tags": ["Third Party Advisory"], "source": "security@wordfence.com"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "security@wordfence.com", "description": [{"lang": "en", "value": "CWE-79"}]}], "descriptions": [{"lang": "en", "value": "The Fathom Analytics WordPress plugin is vulnerable to Stored Cross-Site Scripting due to insufficient input validation and escaping via the $site_id parameter found in the ~/fathom-analytics.php file which allowed attackers with administrative user access to inject arbitrary web scripts, in versions up to and including 3.0.4. This affects multi-site installations where unfiltered_html is disabled for administrators, and sites where unfiltered_html is disabled."}, {"lang": "es", "value": "El plugin Fathom Analytics de WordPress es vulnerable a un ataque de tipo Cross-Site Scripting Almacenado debido a la insuficiente comprobaci\u00f3n de entrada y escape por medio del par\u00e1metro $site_id encontrado en el archivo ~/fathom-analytics.php que permite a atacantes con acceso de usuario administrativo inyectar scripts web arbitrarios, en versiones hasta la 3.0.4 incluy\u00e9ndola. Esto afecta a las instalaciones multisitio en las que unfiltered_html est\u00e1 deshabilitado para los administradores, y a los sitios en los que unfiltered_html est\u00e1 deshabilitado"}], "lastModified": "2021-12-17T01:59:34.570", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:conva:fathom_analytics:*:*:*:*:*:wordpress:*:*", "vulnerable": true, "matchCriteriaId": "78CD5495-7615-47A1-87D4-9542401FBDBE", "versionEndIncluding": "3.0.4"}], "operator": "OR"}]}], "sourceIdentifier": "security@wordfence.com"}