CVE-2026-28173 WordPress WP Event SOlution plugin <= 4.1.19 - Arbitrary Content Deletion vulnerability

High 7.1 Published Updated

Attackers can arbitrarily delete content in the WP Event Solution plugin due to missing authorization checks.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
Not needed
Fix
None listed

What is CVE-2026-28173?

CVE-2026-28173 is a high-severity missing authorization vulnerability in Arraytics WP Event SOlution, published on 13 Aug 2026. Any signed-in user can exploit it over the network, with no action from the victim.

Official description

Customer Arbitrary Content Deletion in WP Event SOlution <= 4.1.19 versions.

Weakness: CWE-862

Which versions are affected by CVE-2026-28173?

How do I fix CVE-2026-28173?

No fix has been published for CVE-2026-28173 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-2026-28173 being exploited?

There is no known exploitation of CVE-2026-28173 in the wild and no public exploit code.

Sources

Also known as GHSA-v9pr-m9rf-hfcw.

Is CVE-2026-28173 in your software?

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