CVE-2026-40776 WordPress Eventin plugin <= 4.1.8 - Broken Access Control vulnerability

Q: What is CVE-2026-40776?

CVE-2026-40776 is a high-severity missing authorization vulnerability in Arraytics WP Event SOlution, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Q: Is CVE-2026-40776 being exploited?

There is no known exploitation of CVE-2026-40776 in the wild and no public exploit code.

Q: How do I fix CVE-2026-40776?

No fix has been published for CVE-2026-40776 yet. Limit exposure of the affected software until one is available.

High 7.5 Published 15 Jun 2026 Updated 16 Jun 2026

Unauthenticated attackers can bypass access controls in the WP Event Solution WordPress plugin, potentially accessing restricted functionality.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2026-40776?

CVE-2026-40776 is a high-severity missing authorization vulnerability in Arraytics WP Event SOlution, published on 15 Jun 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Unauthenticated Broken Access Control in WP Event SOlution <= 4.1.8 versions.

Weakness: CWE-862

Which versions are affected by CVE-2026-40776?

How do I fix CVE-2026-40776?

No fix has been published for CVE-2026-40776 yet. Limit exposure of the affected software until one is available.

Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.

Is CVE-2026-40776 being exploited?

There is no known exploitation of CVE-2026-40776 in the wild and no public exploit code.

Public exploit code: 1 proofs of concept on GitHub.

Sources

Also known as GHSA-4vf2-hvg4-5qq2.