CVE-2026-12255
HIGHMainWP Child < 6.1.2 - Unauthenticated Administrator Authentication Bypass via Passwordless Site Registration
Title source: cnaDescription
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.
References (1)
Core 1
Core References
Exploit exploit
vdb-entry
technical-description
https://wpscan.com/vulnerability/6ecd37bf-f48a-4f7f-8a93-e7f0475371af/
Scores
CVSS v3
8.1
EPSS
0.0027
EPSS Percentile
19.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
total
Details
CWE
CWE-287
Status
published
Products (1)
None/MainWP Child
< 6.1.2
Published
Jul 27, 2026
Tracked Since
Jul 27, 2026