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9.8

Hygia WordPress theme up to 1.21.0 can run malicious code

CVE-2026-93937 · published today
Summary

The Hygia theme for WordPress (versions up to 1.21.0) can be fooled into processing crafted data, which may let an attacker execute arbitrary commands on your site. This could lead to unauthorized access, data theft, or site defacement. Update to a newer version of the theme or switch to a different, actively maintained theme as soon as possible.

What to do

The CVE record does not list a fixed version. Check the vendor's site or the advisory links below - a fix may already be released.

Affected software
VendorProductAffected versions
themerex group hygia <= 1.21.0
Original advisory text
WordPress Hygia theme <= 1.21.0 - PHP Object Injection vulnerability
Deserialization of Untrusted Data vulnerability in ThemeREX Group Hygia hygia allows Object Injection.This issue affects Hygia: from n/a through 1.21.0.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically (estimated)
  • Gives an attacker full control (estimated)
Severity
9.8 Critical
Type
CWE-502Deserialization of Untrusted Data
Timeline
Published10 Oct 2026
Updated10 Oct 2026
First seen10 Oct 2026
Sources
CVE-2026-93937 · NVD
CVE-2026-93937 · MITRE
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