Threat intelligence

MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites <= 6.1.1 - Missing Authorization

CVE-2026-27366 · mainwp-child

Important: Seeing this vulnerability listed does not mean your website is affected. Exposure depends on whether you run Mainwp Child at a vulnerable version. How SiteRespond intelligence works

Vulnerability: MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites <= 6.1.1 - Missing Authorization
Affected software: mainwp-child(Plugin)
Affected versions: ≤ 6.1.1
Authentication: Not specified in feed title — see source advisory
Vulnerability type: Other
CVE: CVE-2026-27366
Published: 23 June 2026
CISA KEV: Not listed in CISA KEV at last catalog refresh
Impact: This advisory describes a other issue in the affected software. Review the source advisory and your installed version to assess exposure.
Source: Data imported from Wordfence Intelligence (advisory 9e9c03af-4d4d-4de6-97a7-416ce22ab2aa). Methodology and redistribution notes

Check whether your installed version is affected

SiteRespond Defence matches your installed Mainwp Child version against this catalog when the Defence plugin is connected to your WordPress site.

Start SiteRespond Defence for WordPress — £29.99/monthScan your website

All Mainwp Child advisoriesBack to catalog