9.8Critical

CVE-2026-66583WordPress Forminator plugin <= 1.57.0 - PHP Object Injection vulnerability

WPMU DEV Forminator Published: 2026-08-20 15:06 (2 months ago)

Description

Unauthenticated PHP Object Injection in Forminator <= 1.57.0 versions.

Weakness (CWE): CWE-502

Data: CVE.org, NVD, CISA KEV, FIRST EPSS, Ubuntu. Published as the sources state it, in English.

Affected products and versions

Vendor	Product	Versions
WPMU DEV	Forminator	≤ 1.57.0

References and patches

https://patchstack.com/database/wordpress/plugin/forminator/vulnerability/wordpress-forminator-plugin-1-57-0-… vdb-entry

CVSS score

9.8Critical

Source: Patchstack · CVSS 3.1

Attack vector: Network
Attack complexity: Low
Privileges required: None
User interaction: None
Scope: Unchanged
Confidentiality: High
Integrity: High
Availability: High

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

All scores (2)

cna	CVSS 3.1	9.8Critical
audit@patchstack.com	CVSS 3.1	9.8Critical

EPSS (chance of exploitation in 30 days)

0.56%

higher than 47% of all CVEs

CISA assessment (SSVC)

Exploitation: none
Automatable: yes
Technical impact: total

Timeline

ID reserved2026-07-27
Published2026-08-20 15:06
Reached IP-DB2026-10-24 23:50
Last updated2026-08-20 19:17

Assigned by (CNA): Patchstack
NVD status: Deferred

View at source: CVE.org · NVD

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