CVE-2025-66099 WordPress Chat Help plugin <= 3.1.3 - Broken Access Control vulnerability
Attackers can bypass access controls in the Chat Help plugin to perform unauthorized actions, requiring plugin updates.
- 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-2025-66099?
CVE-2025-66099 is a medium-severity missing authorization vulnerability in ThemeAtelier Chat Help, 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 Chat Help chat-help allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects Chat Help: from n/a through <= 3.1.3.
Weakness: CWE-862
Which versions are affected by CVE-2025-66099?
How do I fix CVE-2025-66099?
No fix has been published for CVE-2025-66099 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-2025-66099 being exploited?
There is no known exploitation of CVE-2025-66099 in the wild and no public exploit code.
Sources
Also known as GHSA-42r2-h466-hwh9.