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9.8

Original WordPress theme lets attackers run code

CVE-2026-66568 · published today
Summary

The Original theme for WordPress (versions up to 1.9.0) can be tricked by anyone on the web into inserting harmful data, which may let an attacker execute code on your site. This could compromise your site’s content, data, and reputation. Upgrade the theme to a newer version or switch to a different 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
axiomthemes original <= 1.9.0
Original advisory text
WordPress Original theme <= 1.9.0 - PHP Object Injection vulnerability
Unauthenticated PHP Object Injection in Original <= 1.9.0 versions.
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-2026-66568 · NVD
CVE-2026-66568 · MITRE
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