CVE-2026-108486: WPMU DEV Forminator broken access control

CVE-2026-108486 · Severity: medium · CVSS 5.3 · Published 2026-10-12

Forminator is a form-building plugin for WordPress that allows users to create and manage web forms. A broken access control vulnerability in versions up to 1.58.0 enables unauthenticated attackers to access pages and perform actions they should not be permitted to, such as viewing other users' data. Organizations using vulnerable versions should update immediately to prevent unauthorized data access.

Technologies: WPMU DEV Forminator. Vendors: WPMU DEV.

Quick answers

Is CVE-2026-108486 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-108486 being exploited in the wild.
How severe is CVE-2026-108486?
Medium severity, with a CVSS score of 5.3, published 12 October 2026.
Which products and versions are affected?
WPMU DEV Forminator through 1.58.0.
Is there a fix for CVE-2026-108486?
Yes: fixed in 1.58.1. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-108486 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-108486?
Check whether you run WPMU DEV Forminator at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 1.58.1

Technical details

This is a broken access control vulnerability in WPMU DEV Forminator where insufficient authorization checks allow unauthenticated users to access restricted pages or actions. The vulnerability affects versions through 1.58.0 and is exploitable via network access without authentication. An attacker can access or modify data belonging to other users or view restricted content.

Affected products

  • WPMU DEV Forminator through 1.58.0

Timeline

  • 2026-10-12: disclosed

References

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