Is Deserialization affected by CVE-2026-22384?

A high-severity vulnerability in the leafcolor Applay Shortcodes plugin could allow attackers to execute arbitrary code on affected WordPress installations through unsafe deserialization.

CVE-2026-22384

Q: How to fix 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.

HIGH

2026-02-20 [email protected]

8.8

CVSS 3.1

CVSS Vector

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

Low

User Interaction

None

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Lifecycle Timeline

Analysis Generated

Mar 12, 2026 - 22:04 vuln.today

CVE Published

Feb 20, 2026 - 16:22 nvd

HIGH 8.8

Description

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.

Analysis

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

Remediation

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. …

Analysis

Detailed AI-generated intelligence summary covering attack vector, impact assessment, affected versions, remediation steps, and indicators of compromise.

POChttps://••••••••••.com/exploit

PATCHhttps://••••••••••.com/patch

ADVISORYhttps://••••••••••.com/advisory

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Get intelligence summaries, risk assessment, exploit details, threat intel, and remediation guidance.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +44

POC: 0

CVE-2026-22384 vulnerability details – vuln.today

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CVE-2026-22384

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CVE-2026-22384

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