CVE-2023-6158 Missing authorization in EventON (Pro) - WordPress Virtual Event Calendar Plugin

Medium 6.5 Published 10 Jan 2024 Updated 8 Apr 2026

Unauthenticated attackers can update or remove arbitrary post metadata in the EventON WordPress plugin due to missing capability checks.

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-2023-6158?

CVE-2023-6158 is a medium-severity missing authorization vulnerability in EventON (Pro) - WordPress Virtual Event Calendar Plugin, published on 10 Jan 2024. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The EventON - WordPress Virtual Event Calendar Plugin plugin for WordPress is vulnerable to unauthorized modification of data and loss of data due to a missing capability check on the evo_eventpost_update_meta function in all versions up to, and including, 4.5.4 (for Pro) and 2.2.7 (for free). This makes it possible for unauthenticated attackers to update and remove arbitrary post metadata. Note that certain parameters may allow for content injection. CVE-2024-0238 appears to be a duplicate of this issue.

Weakness: CWE-862

Which versions are affected by CVE-2023-6158?

It affects 2 products.

Products include Myeventon Eventon, Myeventon Eventon-Lite.

How do I fix CVE-2023-6158?

No fix has been published for CVE-2023-6158 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-2023-6158 being exploited?

There is no known exploitation of CVE-2023-6158 in the wild and no public exploit code.

Sources

Also known as GHSA-pqm7-4j5w-6gc7.