CVE-2026-66567: WordPress Anesta theme <= 1.5.3 - PHP Object Injection vulnerability

Q: Does exploitation require a WordPress account or user interaction?

No. The CVSS vector indicates no privileges are required and no user interaction is needed for exploitation.

Q: Can this be attacked remotely?

Yes. The CVSS vector rates the attack vector as network-based, indicating that a remotely reachable affected site may be exposed.

Q: What impact is indicated by the severity assessment?

The assessment rates confidentiality, integrity, and availability impact as high, with a critical CVSS score of 9.8.

Published Oct 10, 2026

Updated

Unauthenticated PHP Object Injection in Anesta <= 1.5.3 versions.

Affected Software

1 affected component

WordPress Anesta theme<=1.5.3

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

Does exploitation require a WordPress account or user interaction?

No. The CVSS vector indicates no privileges are required and no user interaction is needed for exploitation.

Can this be attacked remotely?

Yes. The CVSS vector rates the attack vector as network-based, indicating that a remotely reachable affected site may be exposed.

What impact is indicated by the severity assessment?

The assessment rates confidentiality, integrity, and availability impact as high, with a critical CVSS score of 9.8.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co

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