CVE-2026-97283

Insecure deserialization

9.8 CRITICALEPSS 0.36%

Published5 Oct 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.

CVSS 3.1 breakdown

Attack vectorNetwork

Attack complexityLow

Privileges requiredNone

User interactionNone

ScopeUnchanged

ConfidentialityHigh

IntegrityHigh

AvailabilityHigh

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Remediation

No fixed version is recorded in the NVD data. Check the vendor advisory for the latest guidance.

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=cve

Related CVEs

Recent high-severity vulnerabilities sharing a weakness type.

Frequently asked

Is CVE-2026-97283 being actively exploited?

CVE-2026-97283 is not in the CISA KEV catalog. Its EPSS exploit probability is 0.36%.

How severe is CVE-2026-97283?

CVE-2026-97283 has a CVSS 3.1 base score of 9.8, rated critical. EPSS estimates a 0.36% probability of exploitation.

How do I fix CVE-2026-97283?

Apply the vendor's patch or advisory guidance, then verify no affected versions remain across your devices.

How Secuno handles this

Secuno correlates vulnerabilities like CVE-2026-97283 against the real software inventory on every managed device, as each hourly inventory arrives. Rather than a static severity, each match is scored in context: exploit availability, EPSS, the asset's exposure, and business criticality decide where it lands in the queue. If an affected version is present anywhere across your portfolio, it surfaces automatically with a prioritised remediation path.

See how prioritisation works Book a demo

Data from the NVD, CISA KEV catalog and FIRST EPSS. CVSS 3.1 base score shown where available.