{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "Webmail", "vendor": "Roundcube", "versions": [{"lessThan": "1.6.17", "status": "affected", "version": "1.6.0", "versionType": "semver"}, {"lessThan": "1.7.2", "status": "affected", "version": "1.7.0", "versionType": "semver"}]}], "source": "cve@mitre.org"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*", "matchCriteriaId": "E15BCA44-7E8E-422F-BBC5-549CF4477061", "versionEndExcluding": "1.6.17", "vulnerable": true}, {"criteria": "cpe:2.3:a:roundcube:webmail:*:*:*:*:*:*:*:*", "matchCriteriaId": "58061F28-9D4F-4D65-8C64-F77410B6E144", "versionEndExcluding": "1.7.2", "versionStartIncluding": "1.7.0", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In Roundcube Webmail before 1.6.17 and 1.7.x before 1.7.2, there is Stored Cross-Site Scripting (XSS) via a crafted plain-text email message. The attacker-controlled JavaScript executes within the victim's authenticated session simply by opening or previewing the message (zero-click)."}, {"lang": "es", "value": "En Roundcube Webmail antes de 1.6.17 y 1.7.x antes de 1.7.2, existe Cross-Site Scripting Almacenado (XSS) a trav\u00e9s de un mensaje de correo electr\u00f3nico de texto plano manipulado. El JavaScript controlado por el atacante se ejecuta dentro de la sesi\u00f3n autenticada de la v\u00edctima simplemente al abrir o previsualizar el mensaje (zero-click)."}], "id": "CVE-2026-54433", "lastModified": "2026-10-24T21:10:00.130", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 7.2, "baseSeverity": "HIGH", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 2.7, "source": "cve@mitre.org", "type": "Secondary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 10.0, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:N", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.8, "source": "nvd@nist.gov", "type": "Primary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-54433", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2026-07-15T14:10:21.104776Z", "version": "2.0.3"}}]}, "published": "2026-07-14T17:17:05.530", "references": [{"source": "cve@mitre.org", "tags": ["Vendor Advisory"], "url": "https://roundcube.net/news/2026/07/05/security-updates-1.6.17-and-1.7.2"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "cve@mitre.org", "type": "Secondary"}]}