Clean Login < 1.19 - Unauthenticated Account Creation with Registration Disabled
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass
- Confidentiality · integrity · availability
- None · Low · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-284.
Summary
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.
Why it matters now
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- Yes
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| Unknown | Clean Login | before 1.19 | 1.19 | Patch available | CNA |
- Clean Login VendorUnknown Affected before 1.19 Fixed in 1.19 Patch available CNA
Remediation
- Fix · CNA Clean Login (Unknown) Fixed in 1.19
Fixed in the same release
Records fixed by the same vendor advisory or release, as the CNA lists them.
- Release ·
Clean Login 1.19
2 records Highest priority Priority LOW 2 LOW
Other records, highest priority first
- TI-2026-61826 Clean Login < 1.19 - Unauthenticated CAPTCHA Bypass via Empty Session ComparisonPriority LOW 30
Timeline
- 2026-10-02 Threatist record created from CVE-2026-90976
- 2026-10-03 Alias added: GHSA-vm4x-47jq-gqcc
References
Sources
- CVE-2026-90976 · CVE Program
- CVE-2026-90976 · NVD
- FIRST EPSS
- GHSA-vm4x-47jq-gqcc · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences