CVE-2026-90977
Clean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session Comparison
- State
- Published
- Severity
- 5.3 Medium
- Published
- Sep 18, 2026
- Updated
- Sep 18, 2026
- Reserved
- Sep 14, 2026
Description
The Clean Login WordPress plugin before 1.19 does not verify its registration CAPTCHA when the stored session value is empty, allowing unauthenticated users to bypass the anti-automation control on the registration form and create accounts without solving it.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N | WPScan |
Weaknesses
- CWE-697 Incorrect Comparison
Affected Products
| Product | Versions |
|---|---|
Clean LoginUnknown |
|
References
- https://wpscan.com/vulnerability/368db83e-ed7b-4f67-99db-2e5f1c01568e/exploitvdb-entrytechnical-description
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