CVE-2026-27436 WordPress Five Star Business Profile and Schema plugin <= 2.3.19 - Arbitrary Code Execution vulnerability

Critical 9.1 Published Updated

An editor can execute arbitrary code in the Five Star Business Profile and Schema WordPress plugin, potentially compromising the site.

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

What is CVE-2026-27436?

CVE-2026-27436 is a critical code injection vulnerability in Rustaurius Five Star Business Profile and Schema, published on 2 Jul 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Editor Arbitrary Code Execution in Five Star Business Profile and Schema <= 2.3.19 versions.

Weakness: CWE-94

Which versions are affected by CVE-2026-27436?

How do I fix CVE-2026-27436?

No fix has been published for CVE-2026-27436 yet. Limit exposure of the affected software until one is available.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2026-27436 being exploited?

There is no known exploitation of CVE-2026-27436 in the wild and no public exploit code.

Sources

Also known as GHSA-5qwh-74pw-p44j.

Is CVE-2026-27436 in your software?

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