Read the docs
TI-2026-47255 Aliases CVE-2026-66583GHSA-f837-mqhp-xxmg

WordPress Forminator plugin <= 1.57.0 - PHP Object Injection vulnerability

Priority MEDIUM 50CWE-502Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

Unauthenticated PHP Object Injection in Forminator <= 1.57.0 versions.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00564 47th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
wpmudevForminatorup to 1.57.0—No fix listedCNA
  • Forminator Vendorwpmudev Affected up to 1.57.0 Fixed in — No fix listed CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:incsub:forminator:*:*:*:*:*:*:*:*——Incsub
  • cpe:2.3:a:incsub:forminator:*:*:*:*:*:*:*:* Versions — — ·Incsub

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-66583
  2. 2026-10-03 Alias added: GHSA-f837-mqhp-xxmg

References

  • TI-2023-04240 Forminator <= 1.24.6 - Unauthenticated Arbitrary File Upload CVSS 3.1CRITICAL 9.8
  • TI-2023-04683 Defender Security < 4.1.0 - Protection Bypass (Hidden Login Page) CVSS 3.1MEDIUM 5.3
  • TI-2026-13248 Forminator Forms <= 1.56.1 - Unauthenticated Arbitrary File Upload via Forged Upload Field Configuration CVSS 3.1CRITICAL 9.8
  • TI-2025-05864 Forminator Forms – Contact Form, Payment Form & Custom Form Builder <= 1.44.2… CVSS 3.1HIGH 8.8
  • TI-2024-20466 SQL injection in wpmudev Forminator CVSS 3.1HIGH 7.2
  • TI-2024-07873 Hustle < 7.8.5 - Admin+ Stored XSS CVSS 3.1MEDIUM 4.8
See all 120 →

Sources