CVE-2026-90977
Low
No strong exploitation signal.
CVSS base
5.3
MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
EPSS — probability of exploitation (30 days)
0.3%
19.9th percentile
CISA KEV
Not listed
Weakness / dates
CWE-697
Published 2026-09-18 · modified 2026-09-18
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.