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CVE-2026-18331 Formidable Forms <= 6.33.1 - Unauthenticated Stored Cross-Site Scripting via 'frm_user_id' Parameter

🗓️ 26 Aug 2026 06:08:28Reported by WordfenceType 
cve
 cve
🔗 www.cve.org👁 3 Views

Unauthenticated stored XSS in Formidable Forms <= 6.33.1 via frm_user_id parameter.

Related
Detection
Affected
Refs
ReporterTitlePublishedViews
Family
cvelist
Cvelist
CVE-2026-18331 Formidable Forms <= 6.33.1 - Unauthenticated Stored Cross-Site Scripting via 'frm_user_id' Parameter
26 Aug 202606:08
cvelist
euvd
EUVD
EUVD-2026-66294
26 Aug 202606:08
euvd
ptsecurity
Positive Technologies
PT-2026-81950
26 Aug 202600:00
ptsecurity
Vulners
Node
strategy11formidable_formsRange6.33.1wordpress
[
  {
    "vendor": "strategy11team",
    "product": "Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More",
    "versions": [
      {
        "version": "0",
        "status": "affected",
        "lessThanOrEqual": "6.33.1",
        "versionType": "semver"
      }
    ],
    "defaultStatus": "unaffected"
  }
]

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