Threat intelligence

Gutenverse <= 4.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'titleTag' Block Attribute

CVE-2026-19943 · gutenverse

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

Vulnerability: Gutenverse <= 4.0.2 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'titleTag' Block Attribute
Affected software: gutenverse(Plugin)
Affected versions: ≤ 4.0.2
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-19943
Published: 24 August 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 b7eb4cac-cf16-438e-81cc-516646e77cdc). Methodology and redistribution notes

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