Paper/Archive/CVE-2026-97283

CVE-2026-97283

Liquid Web / StellarWP Advanced Post Manager — WordPress Advanced Post Manager plugin <= 4.5.5 - PHP Object Injection vulnerability

EPSS 0.3%CVSS 9.8

critical.is priorityof 100

CVSS 9.8 (CNA)9.8 / 10 × 3029.4 Not in CISA KEV+300.0 EPSS percentile 28.0.280 × 205.6 No public exploit+100.0 SSVC exploitation: none+100.0

Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource

Advanced Post Manager≤ 4.5.5–CNA

Scores by source

Patchstack (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

CISA ADPSSVCExploitation: none · Automatable: yes · Technical impact: total

References

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