---
id: "CVE-2026-116859"
kind: "vulnerability"
aliases: ["CVE-2026-116859"]
title: "WordPress Forminator plugin: missing authorization check exposes form data"
severity: "medium"
cvss: 5.3
epss: null
exploited: false
status: "open"
category: "package"
products: []
ecosystems: []
tags: ["forminator", "package", "self-hosted", "wordpress"]
not_affected_if: ["plugin-not-installed"]
published_at: "2026-11-03T17:17:57+00:00"
first_seen_at: "2026-11-03T17:21:55+00:00"
updated_at: "2026-11-03T17:24:29+00:00"
sources: [{"source": "nvd", "url": "https://nvd.nist.gov/vuln/detail/CVE-2026-116859", "first_seen_at": "2026-11-03T17:21:55+00:00"}]
---

# WordPress Forminator plugin: missing authorization check exposes form data

Forminator, a WordPress form-builder plugin by WPMU DEV, has a missing authorization check that lets a user do things their role should not allow. The sources do not say which data or actions an attacker can reach.

_Summary, check and fix written by a model from the sources; labelled as such._

## How to check

- Check the installed Forminator version in the WordPress admin plugin list or with `wp plugin get forminator --field=version`
- Compare the result against the affected range, which the sources give as through `1.58.3`

## Fix

- Forminator: move to a version later than `1.58.3` (the sources do not name the exact fixed release)

## Timeline

- 2026-11-03T17:21:55+00:00 nvd https://nvd.nist.gov/vuln/detail/CVE-2026-116859

## From the sources

Missing Authorization vulnerability in WPMU DEV Forminator forminator allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Forminator: from n/a through 1.58.3.

---

_Free to read at a human pace. An API with keys and an MCP server are in preparation; early access: hello@infrastack.ai_