CVE-2026-12255
HIGH Exploitation: PoC
8.1
CVSS 3.1
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.
Metadata
Severity & Metrics
8.1
HIGH CVSS 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
SSVC — CISA Coordinator
Affected products (1)
| Vendor | Product | Platform | Versions |
|---|---|---|---|
| Unknown | MainWP Child | — | 0 < 6.1.2 |
Weakness (CWE)
| CWE | Source | Description |
|---|---|---|
| — | cna | CWE-287 Improper Authentication |
| CWE-287 | adp | CWE-287 Improper Authentication |
CVSS scores (1)
| Score | Severity | Version | Source | Vector |
|---|---|---|---|---|
| 8.1 | HIGH | 3.1 | adp | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |