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9.8

Advanced Post Manager plugin lets attackers run code

CVE-2026-97283 · published 13 days ago
Summary

The Advanced Post Manager plugin for WordPress can be tricked into processing specially crafted data, which may let an attacker execute unwanted code on your site. This could allow the attacker to take control of the website or steal information. Update the plugin to the latest version or remove it if you cannot apply the update promptly.

What to do
  • Update liquid web / stellarwp advanced post manager to version 4.5.6.
Affected software
VendorProductAffected versions
liquid web / stellarwp advanced post manager <= 4.5.5
Fix: upgrade to 4.5.6
Original advisory text
WordPress Advanced Post Manager plugin <= 4.5.5 - PHP Object Injection vulnerability
Deserialization of Untrusted Data vulnerability in Liquid Web / StellarWP Advanced Post Manager advanced-post-manager allows Object Injection.This issue affects Advanced Post Manager: from n/a through 4.5.5.
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
Published5 Oct 2026
Updated15 Oct 2026
First seen5 Oct 2026
Sources
CVE-2026-97283 · NVD
CVE-2026-97283 · MITRE
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