What is the CVSS score of CVE-2026-22384?

CVE-2026-22384 has a CVSS 3.1 base score of 9.8 (Critical). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H. EPSS exploitation probability: 0.1%.

How to fix or mitigate CVE-2026-22384?

Within 24 hours: inventory all WordPress instances using applay-shortcodes plugin and disable or deactivate the plugin immediately. Within 7 days: assess whether plugin functionality is business-critical and evaluate alternative plugins with security records; implement Web Application Firewall (WAF) rules to block suspicious serialized object payloads if plugin cannot be disabled. Within 30 days: establish a vendor communication plan for patch availability; conduct a security audit of any systems that ran this plugin during the vulnerability window; implement plugin vulnerability scanning into your WordPress security baseline.

CVE-2026-22384

CRITICAL

Deserialization of Untrusted Data (CWE-502)

2026-02-20 audit@patchstack.com

Deserialization

9.8

CVSS 3.1 · NVD

Severity by source

NVD PRIMARY

9.8 CRITICAL

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

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Re-analysis Queued

Apr 23, 2026 - 15:43 vuln.today

cvss_changed

Severity Changed

Apr 23, 2026 - 15:43 NVD

HIGH CRITICAL

CVSS changed

Apr 23, 2026 - 15:43 NVD

8.8 (HIGH) 9.8 (CRITICAL)

Analysis Generated

Mar 12, 2026 - 22:04 vuln.today

CVE Published

Feb 20, 2026 - 16:22 nvd

HIGH 8.8

DescriptionCVE.org

Deserialization of Untrusted Data vulnerability in leafcolor Applay - Shortcodes applay-shortcodes allows Object Injection.This issue affects Applay - Shortcodes: from n/a through <= 3.7.

AnalysisAI

leafcolor Applay - Shortcodes applay-shortcodes is affected by deserialization of untrusted data (CVSS 8.8).

Technical ContextAI

This vulnerability (CWE-502: Deserialization of Untrusted Data) affects leafcolor Applay - Shortcodes applay-shortcodes. Deserialization of Untrusted Data vulnerability in leafcolor Applay - Shortcodes applay-shortcodes allows Object Injection.This issue affects Applay - Shortcodes: from n/a through <= 3.7.