CVE-2026-66566: WordPress Ambient theme <= 1.7 - Local File Inclusion vulnerability

Q: Which deployments should be prioritized for remediation?

WordPress sites using the Ambient theme version 1.7 or earlier should be prioritized. The vulnerability can be exploited remotely without authentication, although exploitation has high attack complexity.

Q: What is the potential impact if exploitation succeeds?

Successful exploitation can affect confidentiality, integrity, and availability at a high level. The issue is classified as a local file inclusion vulnerability.

Published Oct 10, 2026

Updated

Unauthenticated Local File Inclusion in Ambient <= 1.7 versions.

Affected Software

1 affected component

WordPress Ambient theme<=1.7

Event History

Oct 10, 2026

CVE Published

via MITRE·07:36 PM

Data Sourced

via MITRE·07:36 PM

DescriptionSeverityWeakness

Data Sourced

via NVD·08:16 PM

DescriptionSeverityWeakness

Frequently Asked Questions

Which deployments should be prioritized for remediation?

WordPress sites using the Ambient theme version 1.7 or earlier should be prioritized. The vulnerability can be exploited remotely without authentication, although exploitation has high attack complexity.

What is the potential impact if exploitation succeeds?

Successful exploitation can affect confidentiality, integrity, and availability at a high level. The issue is classified as a local file inclusion vulnerability.

Company

Resources

Contact

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