Threat intelligence

Fluent Forms <= 6.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'permission_message' Shortcode Attribute

CVE-2026-6828 · fluentform

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

Vulnerability: Fluent Forms <= 6.2.1 - Authenticated (Contributor+) Stored Cross-Site Scripting via 'permission_message' Shortcode Attribute
Affected software: fluentform(Plugin)
Affected versions: ≤ 6.2.1
Authentication: Authenticated (see advisory title)
Vulnerability type: Cross-site scripting
CVE: CVE-2026-6828
Published: 12 May 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 ce2d2594-e856-4249-9467-01c0fe1c0c71). Methodology and redistribution notes

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