Threat intelligence

Visualizer <= 4.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'backend-title' Parameter

CVE-2026-15653 · visualizer

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Visualizer at a vulnerable version. How SiteRespond intelligence works

Vulnerability: Visualizer <= 4.0.5 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'backend-title' Parameter
Affected software: visualizer(Plugin)
Affected versions: ≤ 4.0.5
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-15653
Published: 23 July 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: May allow attackers to run scripts in visitors' browsers or hijack admin sessions.
Source: Data imported from Wordfence Intelligence (advisory 914554fd-1525-4925-bce4-2df4a8df5dbf). Methodology and redistribution notes

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