CVE-2026-12255: high-severity vulnerability in MainWP Child
MainWP Child < 6.1.2 - Unauthenticated Administrator Authentication Bypass via Passwordless Site Registration
Published
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.1epss 0.5%
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.
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Unknown · MainWP Childpublic PoCs found — 1
cve_referencewpscan.com/vulnerability/6ecd37bf-f48a-4f7f-8a93-e7f0475371af/unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.