CVE-2026-42736 WordPress BP Better Messages plugin <= 2.14.16 - Insecure Direct Object References (IDOR) vulnerability
Attackers can bypass authorization controls to access or modify unauthorized data in the BP Better Messages WordPress plugin.
- 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-2026-42736?
CVE-2026-42736 is a high-severity missing authorization vulnerability in wordplus BP Better Messages, published on 27 May 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Authorization Bypass Through User-Controlled Key vulnerability in wordplus BP Better Messages bp-better-messages allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects BP Better Messages: from n/a through <= 2.14.16.
Weakness: CWE-639
Which versions are affected by CVE-2026-42736?
How do I fix CVE-2026-42736?
No fix has been published for CVE-2026-42736 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-2026-42736 being exploited?
There is no known exploitation of CVE-2026-42736 in the wild and no public exploit code.
Sources
Also known as GHSA-64vw-m4rv-f6rj.