CVE-2026-97283

WordPress Advanced Post Manager plugin <= 4.5.5 - PHP Object Injection vulnerability

Published Oct 5, 2026 CVSS 3.1 · 9.8 Critical EPSS < 1% KEV · Not listed
Description
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.

Remediation

Vendor Solution

Update the WordPress Advanced Post Manager plugin to the latest available version (at least 4.5.6).

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}

Type Values Removed Values Added
Description 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.
Title WordPress Advanced Post Manager plugin <= 4.5.5 - PHP Object Injection vulnerability
Weaknesses CWE-502
References
Metrics cvssV3_1

{'score': 9.8, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H'}

Subscriptions

No data.

Weaknesses

Sources

Status
PUBLISHED
Assigner
Patchstack
Published
Updated
Oct 5, 2026, 6:46 PM
Reserved
Sep 24, 2026, 10:23 AM
Status
Deferred
Published
Oct 5, 2026, 7:17 PM
Modified
Oct 6, 2026, 3:04 PM