CVE-2024-27443

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A Cross-Site Scripting (XSS) vulnerability exists in the CalendarInvite feature of the Zimbra webmail classic user interface, because of improper input validation in the handling of the calendar header. An attacker can exploit this via an email message containing a crafted calendar header with an embedded XSS payload. When a victim views this message in the Zimbra webmail classic interface, the payload is executed in the context of the victim's session, potentially leading to execution of arbitrary JavaScript code."}, {"lang": "es", "value": "Se descubri\u00f3 un problema en Zimbra Collaboration (ZCS) 9.0 y 10.0. Existe una vulnerabilidad de cross site scripting (XSS) en la funci\u00f3n CalendarInvite de la interfaz de usuario cl\u00e1sica del correo web de Zimbra, debido a una validaci\u00f3n de entrada incorrecta en el manejo del encabezado del calendario. Un atacante puede aprovechar esto a trav\u00e9s de un mensaje de correo electr\u00f3nico que contenga un encabezado de calendario manipulado con un payload XSS incorporado. Cuando una v\u00edctima ve este mensaje en la interfaz cl\u00e1sica del correo web de Zimbra, el payload se ejecuta en el contexto de la sesi\u00f3n de la v\u00edctima, lo que potencialmente conduce a la ejecuci\u00f3n de c\u00f3digo JavaScript arbitrario."}], "id": "CVE-2024-27443", "lastModified": "2026-06-17T07:19:54.627", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "nvd@nist.gov", "type": "Primary"}, {"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "NONE", "baseScore": 6.1, "baseSeverity": "MEDIUM", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "privilegesRequired": "NONE", "scope": "CHANGED", "userInteraction": "REQUIRED", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "version": "3.1"}, "exploitabilityScore": 2.8, "impactScore": 2.7, "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2024-27443", "options": [{"exploitation": "active"}, {"automatable": "no"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2025-05-21T03:55:36.220790Z", "version": "2.0.3"}}]}, "published": "2024-08-12T15:15:20.283", "references": [{"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "https://wiki.zimbra.com/wiki/Zimbra_Releases/10.0.7#Security_Fixes"}, {"source": "cve@mitre.org", "tags": ["Release Notes"], "url": "https://wiki.zimbra.com/wiki/Zimbra_Releases/9.0.0/P39#Security_Fixes"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["US Government Resource"], "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2024-27443"}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "tags": ["Press/Media Coverage"], "url": "https://www.welivesecurity.com/en/eset-research/operation-roundpress/"}], "sourceIdentifier": "cve@mitre.org", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "nvd@nist.gov", "type": "Primary"}, {"description": [{"lang": "en", "value": "CWE-79"}], "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary"}]}

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