CVE-2026-2389

<!-- PoC for CVE-2026-2389 Context: Classic Editor + Contributor access --> <!-- The function revert_divs_to_summary() replaces &#8221; with " --> <div title=" Innocent attribute &#8221; onmouseover=alert('XSS')> Hover over this text to trigger the payload. </div>

{"cve": {"id": "CVE-2026-2389", "sourceIdentifier": "[email protected]", "published": "2026-03-26T14:16:09.843", "lastModified": "2026-04-24T16:35:20.070", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Complianz – GDPR/CCPA Cookie Consent plugin for WordPress is vulnerable to Stored Cross-Site Scripting in all versions up to, and including, 7.4.4.2. This is due to the `revert_divs_to_summary` function replacing `&#8221;` HTML entities with literal double-quote characters (`\"`) in post content without subsequent sanitization. This makes it possible for authenticated attackers, with Contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses the injected page. The Classic Editor plugin is required to be installed and activated in order to exploit this vulnerability."}, {"lang": "es", "value": "El plugin Complianz – GDPR/CCPA Cookie Consent para WordPress es vulnerable a Cross-Site Scripting Almacenado en todas las versiones hasta la 7.4.4.2, inclusive. Esto se debe a que la función 'revert_divs_to_summary' reemplaza las entidades HTML '”' con caracteres de comillas dobles literales ('\"') en el contenido de las publicaciones sin una sanitización posterior. Esto hace posible que atacantes autenticados, con acceso de nivel Colaborador y superior, inyecten scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a la página inyectada. El plugin Classic Editor debe estar instalado y activado para explotar esta vulnerabilidad."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 4.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/complianz-gdpr/tags/7.4.4.2/documents/class-document.php#L2168", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/complianz-gdpr/trunk/documents/class-document.php#L2194", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset/3483618/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/bb9aedc6-42ef-4fd9-a9d5-2a79214be472?source=cve", "source": "[email protected]"}]}}