CVE-2026-66656 HIGH

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

Vendor Mikado-Themes

Product Foton Core

Weakness CWE-98 · PHP file inclusion

Published August 13, 2026

Last update August 13, 2026

View on NVD All CVEs

CVSS base score

8.1/10

Attack vector Network

Attack complexity High

Privileges required None

User interaction None

Confidentiality High

Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

What the vulnerability does

01Description

Unauthenticated Local File Inclusion in Foton Core <= 1.1.1 versions.

Explanation of Vulnerability in Simple Terms

02Summary

Foton Core through version 1.1.1 contains a remote file inclusion vulnerability that allows an attacker to include and execute arbitrary PHP files from external sources. The vulnerability requires specific network conditions to exploit but can result in complete compromise of the site, including data theft, modification, and service disruption. Sites running affected versions should update immediately.

What an attacker can do

03Attacker Capabilities

Include and execute arbitrary PHP files from external servers, potentially running malicious code on the site.

Potential impact on your site

04Site Impact

An attacker can read sensitive files, modify site content, steal data, or take the site offline without needing a user account.

Conditions required to exploit

05Prerequisites

Network access to the site; no authentication or user interaction required, though exploitation may require specific network conditions.

Key dates

06Disclosure timeline

August 13, 2026 CVE published

August 13, 2026 Record updated

External resources

07References

NVD — National Vulnerability Database https://nvd.nist.gov/vuln/detail/CVE-2026-66656 CWE — Common Weakness Enumeration https://cwe.mitre.org/data/definitions/98.html AskarLabs — CWE-98 write-up PHP Remote File Inclusion

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