CVE-2025-34403

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "MailEnable", "vendor": "MailEnable", "versions": [{"lessThan": "10.54", "status": "affected", "version": "0", "versionType": "custom"}]}], "source": "disclosure@vulncheck.com"}], "configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:a:mailenable:mailenable:*:*:*:*:standard:*:*:*", "matchCriteriaId": "E4DAB799-EDB6-48D7-A7FD-77D9910CB308", "versionEndExcluding": "10.54", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "MailEnable versions prior to 10.54 contain\u00a0a reflected cross-site scripting (XSS) vulnerability in the FieldTo parameter of /Mondo/lang/sys/Forms/AddressBook.aspx. The FieldTo value is not properly sanitized when processed via a GET request and is reflected inside a <script> block in the JavaScript variable var fieldTo. By supplying a crafted payload that terminates the existing Finish() function, inserts attacker-controlled script, and comments out remaining code, a remote attacker can execute arbitrary JavaScript in a victim\u2019s browser when the victim attempts to send an email. Successful exploitation can redirect victims to malicious sites, steal non-HttpOnly cookies, inject arbitrary HTML or CSS, and perform actions as the authenticated user."}, {"lang": "es", "value": "Las versiones de MailEnable anteriores a la 10.54 contienen una vulnerabilidad de cross-site scripting (XSS) reflejada en el par\u00e1metro FieldTo de /Mondo/lang/sys/Forms/AddressBook.aspx. El valor de FieldTo no se sanea correctamente cuando se procesa a trav\u00e9s de una solicitud GET y se refleja dentro de un bloque <script> en la variable JavaScript var fieldTo. Al proporcionar una carga \u00fatil manipulada que termina la funci\u00f3n Finish() existente, inserta script controlado por el atacante y comenta el c\u00f3digo restante, un atacante remoto puede ejecutar JavaScript arbitrario en el navegador de una v\u00edctima cuando la v\u00edctima intenta enviar un correo electr\u00f3nico. La explotaci\u00f3n exitosa puede redirigir a las v\u00edctimas a sitios maliciosos, robar cookies no HttpOnly, inyectar HTML o CSS arbitrario y realizar acciones como el usuario autenticado."}], "id": "CVE-2025-34403", "lastModified": "2026-10-14T21:10:00.183", "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"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "NETWORK", "availabilityRequirement": "NOT_DEFINED", "baseScore": 5.3, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "NONE", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "LOW", "subIntegrityImpact": "LOW", "userInteraction": "PASSIVE", "valueDensity": "NOT_DEFINED", "vectorString": "CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:L/VI:L/VA:N/SC:L/SI:L/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X", "version": "4.0", "vulnAvailabilityImpact": "NONE", "vulnConfidentialityImpact": "LOW", "vulnIntegrityImpact": "LOW", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "disclosure@vulncheck.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2025-34403", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "partial"}], "role": "CISA Coordinator", "timestamp": "2025-12-09T20:12:18.702018Z", "version": "2.0.3"}}]}, "published": "2025-12-09T18:15:50.820", "references": [{"source": "disclosure@vulncheck.com", "tags": ["Release Notes"], "url": "https://mailenable.com/Standard-ReleaseNotes.txt"}, {"source": "disclosure@vulncheck.com", "tags": ["Product"], "url": "https://www.mailenable.com/"}, {"source": "disclosure@vulncheck.com", "tags": ["Third Party Advisory"], "url": "https://www.vulncheck.com/advisories/mailenable-reflected-xss-in-fieldto-parameter-of-addressbook-aspx"}], "sourceIdentifier": "disclosure@vulncheck.com", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-79"}], "source": "disclosure@vulncheck.com", "type": "Secondary"}]}

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