TI-2026-67823 Aliases CVE-2026-97283 GHSA-52qx-gr3f-hfqm

Object injection in WordPress Advanced Post Manager plugin

MEDIUM 49CWE-502Published 2026-10-05 · Updated 2026-10-05

Key facts

Attack vector: Network
Privileges required: None
User interaction: None
Attack complexity: Low
Impact type: Code execution
Confidentiality · integrity · availability: High · High · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-502.

Summary

Advanced Post Manager by Liquid Web and StellarWP, from n/a through 4.5.5, is affected. Deserialization of untrusted data (CWE-502) lets attackers inject PHP objects into the application. An unauthenticated remote attacker can trigger this without user interaction, with high impact to confidentiality, integrity and availability.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Description from the CNA

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00345 28th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: Yes
Technical impact: Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Liquid Web / StellarWP	Advanced Post Manager	up to 4.5.5	—	No fix listed	CNA

Advanced Post Manager VendorLiquid Web / StellarWP Affected up to 4.5.5 Fixed in — No fix listed CNA

Remediation

The sources list no fixed version for Advanced Post Manager.

Written with Claude Haiku 5.5 from the sources below · 2026-10-29

Timeline

2026-10-05 Threatist record created from CVE-2026-97283
2026-10-06 Alias added: GHSA-52qx-gr3f-hfqm

References

Other 1

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

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See all 37 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences