CVE-2021-3741

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{"affected": [{"affectedData": [{"product": "chatwoot/chatwoot", "vendor": "chatwoot", "versions": [{"lessThan": "2.6", "status": "affected", "version": "unspecified", "versionType": "custom"}]}], "source": "security@huntr.dev"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:chatwoot:chatwoot:*:*:*:*:*:*:*:*", "matchCriteriaId": "63976EA8-9880-4802-8B08-9E2C679FF9F9", "versionEndExcluding": "2.6.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "A stored cross-site scripting (XSS) vulnerability was discovered in chatwoot/chatwoot, affecting all versions prior to 2.6. The vulnerability occurs when a user uploads an SVG file containing a malicious XSS payload in the profile settings. When the avatar is opened in a new page, the custom JavaScript code is executed, leading to potential security risks."}, {"lang": "es", "value": "Se descubri\u00f3 una vulnerabilidad de cross-site scripting (XSS) almacenado en chatwoot/chatwoot, que afecta a todas las versiones anteriores a la 2.6. La vulnerabilidad se produce cuando un usuario carga un archivo SVG que contiene un payload XSS malicioso en la configuraci\u00f3n del perfil. Cuando se abre el avatar en una p\u00e1gina nueva, se ejecuta el c\u00f3digo JavaScript personalizado, lo que genera posibles riesgos de seguridad."}], "id": "CVE-2021-3741", "lastModified": "2026-06-17T04:05:40.570", "metrics": {"cvssMetricV30": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "ADJACENT_NETWORK", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "LOW", "privilegesRequired": "HIGH", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.0/AV:A/AC:L/PR:H/UI:R/S:C/C:H/I:L/A:H", "version": "3.0"}, "exploitabilityScore": 1.2, "impactScore": 6.0, "source": "security@huntr.dev", "type": "Secondary"}], "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"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2021-3741", "options": [{"exploitation": "none"}, {"automatable": "no"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2024-11-20T22:36:30.344237Z", "version": "2.0.3"}}]}, "published": "2024-11-15T11:15:05.327", "references": [{"source": "security@huntr.dev", "tags": ["Product"], "url": "https://github.com/chatwoot/chatwoot/commit/6fdd4a29969be8423f31890b807d27d13627c50c"}, {"source": "security@huntr.dev", "tags": ["Broken Link"], "url": "https://huntr.com/bounties/1625474692857-chatwoot/chatwoot"}], "sourceIdentifier": "security@huntr.dev", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "security@huntr.dev", "type": "Secondary"}]}

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