CVE-2026-66656 WordPress Foton Core plugin <= 1.1.1 - Local File Inclusion vulnerability

High 8.1 Published Updated

Unauthenticated attackers can exploit a Local File Inclusion vulnerability in the Foton Core plugin to read arbitrary files on the server.

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-2026-66656?

CVE-2026-66656 is a high-severity path traversal vulnerability in Mikado-Themes Foton 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 Foton Core <= 1.1.1 versions.

Weakness: CWE-98

Which versions are affected by CVE-2026-66656?

How do I fix CVE-2026-66656?

No fix has been published for CVE-2026-66656 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-2026-66656 being exploited?

There is no known exploitation of CVE-2026-66656 in the wild and no public exploit code.

Sources

Also known as GHSA-xfv4-m392-36r9.

Is CVE-2026-66656 in your software?

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