Vulnerability in Clean Login

CVE-2026-90976

The Clean Login WordPress plugin before 1.19 does not check whether user registration is enabled before creating an account in its registration handler, allowing unauthenticated users to create accounts even when the site has registration disabled.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N.

EPSS exploit prediction

EPSS: 0.003 (23.2th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 23rd percentile — 23.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-90976: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

  • Clean Login

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-90976?
CVE-2026-90976 is a medium-severity vulnerability in Clean Login, classified under Improper Access Control. CVSS score: 5.3/10. Published 2026-09-18.
How severe is CVE-2026-90976?
Medium severity. CVSS v3 base score is 5.3 out of 10.