CVE-2026-27346 WordPress B2BKing plugin < 5.2.10 - Broken Access Control vulnerability

Medium 4.9 Published Updated

Attackers can bypass access controls in the B2BKing WordPress plugin to perform unauthorized actions or modify data.

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-2026-27346?

CVE-2026-27346 is a medium-severity missing authorization vulnerability in Kings Plugins B2BKing, published on 25 May 2026. An attacker needs administrator access to exploit it, with no action from the victim.

Official description

Missing Authorization vulnerability in Kings Plugins B2BKing allows Exploiting Incorrectly Configured Access Control Security Levels.

This issue affects B2BKing: from n/a before 5.2.10.

Weakness: CWE-862

Which versions are affected by CVE-2026-27346?

How do I fix CVE-2026-27346?

No fix has been published for CVE-2026-27346 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-2026-27346 being exploited?

There is no known exploitation of CVE-2026-27346 in the wild and no public exploit code.

Sources

Also known as GHSA-8x2q-39xh-589q.

Is CVE-2026-27346 in your software?

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