CVE-2026-1779

{"id": "CVE-2026-1779", "cveTags": [], "metrics": {"cvssMetricV31": [{"type": "Primary", "source": "security@wordfence.com", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 8.1, "attackVector": "NETWORK", "baseSeverity": "HIGH", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "HIGH", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 2.2}]}, "published": "2026-02-26T03:16:03.827", "references": [{"url": "https://plugins.trac.wordpress.org/browser/user-registration/tags/5.0.4/modules/membership/includes/AJAX.php#L246", "source": "security@wordfence.com"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/d99bc021-ba9e-4294-8dd2-c25bc8007d05?source=cve", "source": "security@wordfence.com"}], "vulnStatus": "Awaiting Analysis", "weaknesses": [{"type": "Primary", "source": "security@wordfence.com", "description": [{"lang": "en", "value": "CWE-288"}]}], "descriptions": [{"lang": "en", "value": "The User Registration & Membership plugin for WordPress is vulnerable to authentication bypass in versions up to, and including, 5.1.2. This is due to incorrect authentication in the 'register_member' function. This makes it possible for unauthenticated attackers to log in a newly registered user on the site who has the 'urm_user_just_created' user meta set."}, {"lang": "es", "value": "El plugin User Registration & Membership para WordPress es vulnerable a una omisi\u00f3n de autenticaci\u00f3n en versiones hasta la 5.1.2, inclusive. Esto se debe a una autenticaci\u00f3n incorrecta en la funci\u00f3n 'register_member'. Esto posibilita que atacantes no autenticados inicien sesi\u00f3n como un usuario reci\u00e9n registrado en el sitio que tiene establecida la meta de usuario 'urm_user_just_created'."}], "lastModified": "2026-02-27T14:06:59.787", "sourceIdentifier": "security@wordfence.com"}