CVE-2025-64209 WordPress Masterstudy theme < 4.8.122 - Broken Access Control vulnerability
Attackers can access restricted functionality due to missing authorization checks in the Masterstudy WordPress theme.
- 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-2025-64209?
CVE-2025-64209 is a high-severity missing authorization vulnerability in StylemixThemes Masterstudy, published on 18 Dec 2025. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Missing Authorization vulnerability in StylemixThemes Masterstudy masterstudy allows Accessing Functionality Not Properly Constrained by ACLs.This issue affects Masterstudy: from n/a through < 4.8.122.
Weakness: CWE-862
Which versions are affected by CVE-2025-64209?
How do I fix CVE-2025-64209?
No fix has been published for CVE-2025-64209 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-2025-64209 being exploited?
There is no known exploitation of CVE-2025-64209 in the wild and no public exploit code.
Sources
Also known as GHSA-8qhj-5m76-2hx4.