How to fix CVE-2025-67619?

Within 24 hours: Immediately audit all production systems for Kids Heaven plugin installations and document affected instances. Within 7 days: Implement network segmentation to restrict access to affected WordPress installations and deploy WAF rules to block malicious deserialization attempts; consider disabling the vulnerable plugin if business-critical. Within 30 days: Monitor vendor security advisories closely and prepare for immediate patching upon release; evaluate alternative plugins with comparable functionality.

Is Deserialization affected by CVE-2025-67619?

A critical deserialization vulnerability (CVE-2025-67619) affects the Kids Heaven WordPress plugin, allowing attackers to inject malicious objects and potentially execute arbitrary code on affected websites.

CVE-2025-67619

HIGH

2026-01-22 [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 - 21:54 vuln.today

CVE Published

Jan 22, 2026 - 17:16 nvd

HIGH 8.8

Description

Deserialization of Untrusted Data vulnerability in designthemes Kids Heaven kids-world allows Object Injection.This issue affects Kids Heaven: from n/a through <= 3.2.

Analysis

Deserialization of Untrusted Data vulnerability in designthemes Kids Heaven kids-world allows Object Injection.This issue affects Kids Heaven: from n/a through <= 3.2. [CVSS 8.8 HIGH]

Technical Context

Classified as CWE-502 (Deserialization of Untrusted Data). Affects designthemes Kids Heaven kids-world. Deserialization of Untrusted Data vulnerability in designthemes Kids Heaven kids-world allows Object Injection.This issue affects Kids Heaven: from n/a through <= 3.2.

Affected Products

Product: designthemes Kids Heaven kids-world.

Remediation

Monitor vendor advisories for a patch. Restrict network access to the affected service where possible.

Priority Score

Low Medium High Critical

KEV: 0

EPSS: +0.1

CVSS: +44

POC: 0

CVE-2025-67619 vulnerability details – vuln.today

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CVE-2025-67619

CVSS Vector

Lifecycle Timeline

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Description

Analysis

Technical Context

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CVE-2025-67619

CVSS Vector

Lifecycle Timeline

Tags

Description

Analysis

Technical Context

Affected Products

Remediation

Priority Score

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External POC / Exploit Code