CVE-2026-12255: CWE-287 Improper Authentication in MainWP Child
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.
CVE-2026-12255: CWE-287 Improper Authentication in MainWP Child
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.
CVSS v3.1
Score 8.1high
Weaknesses
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- WPScan
- Date Reserved
- 2026-06-15T08:48:55.176Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a66f9409c2644c7f888b437
Added to database: 07/27/2026, 06:22:56 UTC
Last updated: 07/27/2026, 21:19:00 UTC
Views: 6
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