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CVE-2026-12255

HIGH 8.1 CVSS 3.1
Published
July 27, 2026
Last modified
July 27, 2026
NVD status
Deferred
Reported by
contact@wpscan.com
Weakness
CWE-287
CVSS vector
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

The MainWP Child WordPress plugin before 6.1.2 does not verify the requester's identity in its site-registration request handler when password authentication has been disabled for the targeted account, allowing an unauthenticated attacker to obtain a valid authentication session as that account, including an administrator, by naming its login in a single registration request.

Affected WordPress components

  • MainWP Child – Securely Connects to the MainWP Dashboard to Manage Multiple Sites Plugin · mainwp-child
    Confirmed match Active
    Before 6.1.2
    View on WordPress.org

A confirmed match is backed by the plugin or theme slug. A possible match is based on the product name only and should be verified.

Affected products and versions

  • Unknown MainWP Child — Before 6.1.2

References

  • wpscan.com https://wpscan.com/vulnerability/6ecd37bf-f48a-4f7f-8a93-e7f0475371af/
  • nvd.nist.gov Official NVD record