CVE-2026-105436

Deserialization of Untrusted Data vulnerability in MainWP MainWP Child mainwp-child allows Object…

Risk score: 61/100
CVSS: 8.8 v3.1
Exploit chance (30 days): 0.3%
Published: 8 Oct 2026

Open in the live forecast Today's forecast

What to know

What it is: 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.
Affected: See advisory
Fix: Apply the vendor's security update; see the linked advisory.
Exploitation: No known exploitation

Why it is Amber

CVSS 8.8 high
Remotely exploitable without logging in

References

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

Original 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.

Last activity 8 Oct 2026. Patch Forecast updates every hour.