CVE-2026-97283

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

State: Published
Severity: 9.8 Critical
Published: Oct 5, 2026
Updated: Oct 5, 2026
Reserved: Sep 24, 2026

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.

Scores

CVSS	Score	Vector	Source
3.1	9.8 Critical	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H	Patchstack

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
Advanced Post ManagerLiquid Web / StellarWP	4.5.5 and earlierAffectedfrom 4.5.6Not affected

References

https://patchstack.com/database/wordpress/plugin/advanced-post-manager/vulnerability/wordpress-advanced-post-manager-plugin-4-5-5-php-object-injection-vulnerability?_s_id=cvevdb-entry

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