CVE-2026-66564: WordPress ShiftCV theme <= 3.0.14 - PHP Object Injection vulnerability

Q: Who can exploit this issue?

The vulnerability is unauthenticated, so an attacker does not need a WordPress account or prior access to the site.

Q: Which installations are affected?

ShiftCV theme versions 3.0.14 and earlier are affected. The provided data does not identify any configuration prerequisite or mitigation other than moving beyond the affected versions.

Published Oct 10, 2026

Updated

Unauthenticated PHP Object Injection in ShiftCV <= 3.0.14 versions.

Affected Software

1 affected component

WordPress ShiftCV theme<=3.0.14

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

Who can exploit this issue?

The vulnerability is unauthenticated, so an attacker does not need a WordPress account or prior access to the site.

Which installations are affected?

ShiftCV theme versions 3.0.14 and earlier are affected. The provided data does not identify any configuration prerequisite or mitigation other than moving beyond the affected versions.

Company

Resources

Contact

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

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