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9.8

Alliance WordPress theme allows unauthenticated code execution

CVE-2026-78529 · published 5 days ago
Summary

The Alliance theme for WordPress (versions up to 3.11) can be tricked by anyone on the internet to run their own code on your site. This could let an attacker take over the website or steal data. Update to a newer version of the theme or switch to a different, actively maintained theme as soon as possible.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 alliance <= 3.11
Original advisory text
WordPress Alliance theme <= 3.11 - PHP Object Injection vulnerability
Unauthenticated PHP Object Injection in Alliance <= 3.11 versions.
References
Fix within
Internet-facing 3 days
Internal 60 days
  • Not known to be exploited
  • Can be exploited automatically
  • Gives an attacker full control
Severity
9.8 Critical
Exploitation
<1% chance of attack within 30 days
Type
CWE-502Deserialization of Untrusted Data
Timeline
Published10 Oct 2026
Updated15 Oct 2026
First seen10 Oct 2026
Sources
CVE-2026-78529 · NVD
CVE-2026-78529 · MITRE
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