CVE-2026-105436

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

State: Published
Severity: 8.8 High
Published: Oct 8, 2026
Updated: Oct 9, 2026
Reserved: Oct 5, 2026

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	8.8 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	Patchstack

Weaknesses

CWE-502 Deserialization of Untrusted Data

Affected Products

Product	Versions
MainWP ChildMainWP	6.2.1 and earlierAffectedfrom 6.2.2Not affected

References

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

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