Vulnerability · Published Oct 8, 2026 · Assigned by Patchstack
CVE-2026-105436WordPress MainWP Child plugin <= 6.2.1 - Deserialization of untrusted data vulnerability
High 8.8
In plain English
A high-severity unsafe deserialization in MainWP Child from MainWP. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 16% of all known vulnerabilities).
Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.2%top 84.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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.
Affected products (as reported)
| Vendor | Product | Versions |
|---|---|---|
| MainWP | MainWP Child | 0 – through 6.2.1 |
Weakness: CWE-502 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H