---
id: CVE-2026-62103
title: WordPress Everest Forms plugin <= 3.6.0 - PHP Object Injection vulnerability
summary: Unauthenticated PHP Object Injection in Everest Forms <= 3.6.0 versions.
severity: critical
cvss: 9.8
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'
cvssSource: cna
cwe:
  - CWE-502
vendor: wpeverest
product: everest-forms
affected:
  - everest-forms >= n/a <= 3.6.0
ssvc:
  exploitation: none
  automatable: 'yes'
  technicalImpact: total
  timestamp: '2026-09-11T20:09:31.579471Z'
published: '2026-09-11'
updated: '2026-09-11'
sourceUpdated: '2026-09-11T20:19:11.777Z'
source: CVEORG
sourceUrl: 'https://www.cve.org/CVERecord?id=CVE-2026-62103'
references:
  - url: >-
      https://patchstack.com/database/wordpress/plugin/everest-forms/vulnerability/wordpress-everest-forms-plugin-3-6-0-php-object-injection-vulnerability?_s_id=cve
tags:
  - cve.org
epss: 0.00564
epssPercentile: 0.44446
ingestedAt: '2026-09-14T11:11:19.883Z'
---

## Overview

Unauthenticated PHP Object Injection in Everest Forms <= 3.6.0 versions.

## Affected

- `everest-forms >= n/a <= 3.6.0`

## Remediation

Update the WordPress Everest Forms Plugin to the latest available version (at least 3.6.1).