Threat intelligence

Fluent Forms Pro Add On Pack < 6.2.12 - Unauthenticated Stored Cross-Site Scripting

CVE-2026-66633 · fluentformpro

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

Vulnerability: Fluent Forms Pro Add On Pack < 6.2.12 - Unauthenticated Stored Cross-Site Scripting
Affected software: fluentformpro(Plugin)
Affected versions: < 6.2.12
Authentication: Unauthenticated
Vulnerability type: Cross-site scripting
CVE: CVE-2026-66633
Published: 18 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 c22d6da6-84a1-4bc1-bcd1-123a5c956f93). Methodology and redistribution notes

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