CVE-2026-105436

HIGH 8.8

WordPress MainWP Child plugin <= 6.2.1 - Deserialization of untrusted data vulnerability

CVSS Score

8.8

EPSS Score

0.0%

EPSS Percentile

0th

Deserialization of Untrusted Data vulnerability in MainWP MainWP Child mainwp-child allows Object Injection.This issue affects MainWP Child: from n/a through 6.2.1.

CWE	CWE-502
Vendor	mainwp
Product	mainwp child
Published	Oct 8, 2026

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CVSS v3 Breakdown

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

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

High

Integrity

High

Availability

High

Affected Versions

MainWP / MainWP Child

0 ≤ 6.2.1

References

NVD ↗ CVE.org ↗ EPSS Data ↗

patchstack.com: https://patchstack.com/database/wordpress/plugin/mainwp-child/vulnerability/wordpress-mainwp-child-plugin-6-2-1-deserialization-of-untrusted-data-vulnerability?_s_id=cve

Credits

Rafie Muhammad | Patchstack Bug Bounty Program