CVE-2026-86817 Information disclosure in Five Star Business Profile and Schema

Medium 4.9 Published Updated

Authenticated authors can expose sensitive data like password hashes and site options to unauthenticated visitors via schema field callbacks.

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-2026-86817?

CVE-2026-86817 is a medium-severity vulnerability in Unknown Five Star Business Profile and Schema, published on 4 Oct 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

The Five Star Business Profile and Schema WordPress plugin before 2.4.0 does not properly restrict the callbacks used to resolve schema field default values, allowing authenticated users with Author-level access and above to store input that discloses sensitive data, including other users' password hashes and arbitrary site option values, in public output readable by unauthenticated visitors.

Weakness: CWE-200

Which versions are affected by CVE-2026-86817?

How do I fix CVE-2026-86817?

No fix has been published for CVE-2026-86817 yet. Limit exposure of the affected software until one is available.

Is CVE-2026-86817 being exploited?

There is no known exploitation of CVE-2026-86817 in the wild and no public exploit code.

Sources

Also known as GHSA-qpw5-3rj5-433c.

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