CVE-2026-3655

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{"affected": [{"affectedData": [{"defaultStatus": "unaffected", "product": "OTP Login With Phone Number, OTP Verification", "vendor": "glboy", "versions": [{"lessThanOrEqual": "1.8.60", "status": "affected", "version": "1.8.50", "versionType": "semver"}]}], "source": "security@wordfence.com"}], "cveTags": [], "descriptions": [{"lang": "en", "value": "The OTP Login With Phone Number, OTP Verification plugin for WordPress is vulnerable to authentication bypass in versions 1.8.50 through 1.8.60. This is due to the Firebase verification flow in the `lwp_ajax_register` AJAX handler not binding the Firebase session to the phone number supplied in the request. The `idehweb_lwp_activate_through_firebase()` function validates that a Firebase OTP session is legitimate, but the `phoneNumber` returned by Firebase is never compared against the victim's stored phone number. This makes it possible for unauthenticated attackers to authenticate as any user who has a phone number stored in user meta, including administrators, by verifying their own Firebase session and supplying the victim's phone number in the same request."}, {"lang": "es", "value": "El plugin OTP Login With Phone Number, OTP Verification para WordPress es vulnerable a omisi\u00f3n de autenticaci\u00f3n en las versiones 1.8.50 a 1.8.60. Esto se debe a que el flujo de verificaci\u00f3n de Firebase en el gestor AJAX 'lwp_ajax_register' no vincula la sesi\u00f3n de Firebase al n\u00famero de tel\u00e9fono proporcionado en la solicitud. La funci\u00f3n 'idehweb_lwp_activate_through_firebase()' valida que una sesi\u00f3n OTP de Firebase es leg\u00edtima, pero el 'phoneNumber' devuelto por Firebase nunca se compara con el n\u00famero de tel\u00e9fono almacenado de la v\u00edctima. Esto hace posible que atacantes no autenticados se autentiquen como cualquier usuario que tenga un n\u00famero de tel\u00e9fono almacenado en los metadatos del usuario, incluidos los administradores, al verificar su propia sesi\u00f3n de Firebase y proporcionar el n\u00famero de tel\u00e9fono de la v\u00edctima en la misma solicitud."}], "id": "CVE-2026-3655", "lastModified": "2026-07-21T12:10:00.090", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "NETWORK", "availabilityImpact": "HIGH", "baseScore": 9.8, "baseSeverity": "CRITICAL", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "NONE", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "version": "3.1"}, "exploitabilityScore": 3.9, "impactScore": 5.9, "source": "security@wordfence.com", "type": "Secondary"}], "ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-3655", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "role": "CISA Coordinator", "timestamp": "2026-05-29T10:01:30.010604Z", "version": "2.0.3"}}]}, "published": "2026-05-29T08:16:18.920", "references": [{"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/login-with-phone-number/tags/1.8.60/inc/ajax-handlers.php#L1167"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/login-with-phone-number/tags/1.8.60/inc/ajax-handlers.php#L649"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/login-with-phone-number/tags/1.8.60/inc/ajax-handlers.php#L659"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/browser/login-with-phone-number/trunk/inc/ajax-handlers.php#L649"}, {"source": "security@wordfence.com", "url": "https://plugins.trac.wordpress.org/changeset/3479314/login-with-phone-number/trunk/inc/ajax-handlers.php?old=3455810&old_path=login-with-phone-number%2Ftrunk%2Finc%2Fajax-handlers.php"}, {"source": "security@wordfence.com", "url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/7fc410f2-5f2b-4eea-a0fb-fe58f988f95f?source=cve"}], "sourceIdentifier": "security@wordfence.com", "vulnStatus": "Deferred", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-287"}], "source": "security@wordfence.com", "type": "Secondary"}]}

{}

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