CVE-2026-27389 WordPress WeDesignTech Ultimate Booking Addon plugin <= 1.0.1 - Account Takeover vulnerability

Critical 9.8 Published Updated

An authentication bypass in the WeDesignTech Ultimate Booking Addon allows attackers to take over user accounts.

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-2026-27389?

CVE-2026-27389 is a critical authentication bypass vulnerability in designthemes WeDesignTech Ultimate Booking Addon, published on 5 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Authentication Bypass Using an Alternate Path or Channel vulnerability in designthemes WeDesignTech Ultimate Booking Addon wedesigntech-ultimate-booking-addon allows Authentication Abuse.This issue affects WeDesignTech Ultimate Booking Addon: from n/a through <= 1.0.1.

Weakness: CWE-288

Which versions are affected by CVE-2026-27389?

How do I fix CVE-2026-27389?

No fix has been published for CVE-2026-27389 yet. Limit exposure of the affected software until one is available.

Upgrade, and rotate credentials and sessions that may have been exposed. More about Authentication bypass.

Is CVE-2026-27389 being exploited?

There is no known exploitation of CVE-2026-27389 in the wild and no public exploit code.

Sources

Also known as GHSA-p5mj-rxf6-hc9h.

Is CVE-2026-27389 in your software?

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