CVE-2026-66657 WordPress Biagiotti Core plugin <= 2.1.1 - Local File Inclusion vulnerability
Unauthenticated attackers can exploit a Local File Inclusion vulnerability in the Biagiotti Core WordPress plugin to read arbitrary files or execute code.
- 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-2026-66657?
CVE-2026-66657 is a high-severity path traversal vulnerability in Mikado-Themes Biagiotti Core, published on 13 Aug 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Unauthenticated Local File Inclusion in Biagiotti Core <= 2.1.1 versions.
Weakness: CWE-98
Which versions are affected by CVE-2026-66657?
How do I fix CVE-2026-66657?
No fix has been published for CVE-2026-66657 yet. Limit exposure of the affected software until one is available.
Upgrade, and resolve every user-supplied path against an allowed base folder before opening it. More about Path traversal.
Is CVE-2026-66657 being exploited?
There is no known exploitation of CVE-2026-66657 in the wild and no public exploit code.
Sources
Also known as GHSA-mm92-69x7-89x2.