Medium severity · published Sep 18, 2026
CVE-2026-90976
Clean Login < 1.19 - Unauthenticated Account Creation with Registration Disabled
5.3
CVSS
0.3%
EPSS
No
On KEV
Description
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
None
Integrity
Low
Availability
None
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)0.3% · higher than 23% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
CL
Clean Login ·
before 1.19 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-90976
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-90976
wpscan.com
https://wpscan.com/vulnerability/e72f9529-6500-4ed2-a8cc-d77045b6be5c/
More from Clean Login
5.4
CVE-2022-4838
Clean Login < 1.13.7 - Contributor+ Stored XSS via Shortcode
5.3
CVE-2026-90977
Clean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session Comparison