CVE-2025-66113 WordPress Better Chat Support for Messenger plugin <= 1.2.18 - Broken Access Control vulnerability
Attackers can bypass access controls in the Better Chat Support for Messenger WordPress plugin to perform unauthorized actions.
- 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-2025-66113?
CVE-2025-66113 is a medium-severity missing authorization vulnerability in ThemeAtelier Better Chat Support for Messenger, published on 21 Nov 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing Authorization vulnerability in ThemeAtelier Better Chat Support for Messenger better-chat-support allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Better Chat Support for Messenger: from n/a through <= 1.2.18.
Weakness: CWE-862
Which versions are affected by CVE-2025-66113?
How do I fix CVE-2025-66113?
No fix has been published for CVE-2025-66113 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-2025-66113 being exploited?
There is no known exploitation of CVE-2025-66113 in the wild and no public exploit code.
Sources
Also known as GHSA-6697-8cc9-pq2x.