CVE-2026-118092: StylemixThemes MasterStudy LMS broken access control

CVE-2026-118092 · Severity: medium · CVSS 4.3 · Published 2026-10-29

MasterStudy LMS is a WordPress learning management system plugin that allows organizations to deliver online courses and training. A broken access control vulnerability allows subscribers and other unprivileged users to access course pages, content, and potentially perform actions they should not be permitted to, such as viewing other users' data or modifying course materials.

Technologies: StylemixThemes MasterStudy LMS. Vendors: StylemixThemes.

Quick answers

Is CVE-2026-118092 exploited in the wild?
No. Junglewise Threat Intelligence has no report of CVE-2026-118092 being exploited in the wild.
How severe is CVE-2026-118092?
Medium severity, with a CVSS score of 4.3, published 29 October 2026.
Which products and versions are affected?
StylemixThemes MasterStudy LMS through 3.7.55.
Is there a fix for CVE-2026-118092?
Yes: fixed in 3.7.56. Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
How is CVE-2026-118092 attacked?
It is attacked over the network, in a web application.
Am I affected by CVE-2026-118092?
Check whether you run StylemixThemes MasterStudy LMS at an affected version. Junglewise does that check for you around the clock: connect your code, cloud and domains, and it matches new vulnerabilities like this one against what you actually run and tells you when one reaches you.

How to fix

  • Fixed in: 3.7.56

Technical details

The vulnerability is a broken access control flaw in the MasterStudy LMS WordPress plugin versions up to 3.7.55. An attacker with subscriber-level privileges or lower can bypass authorization checks to access restricted pages and perform unauthorized actions. The plugin fails to properly validate user permissions before granting access to sensitive resources.

Affected products

  • StylemixThemes MasterStudy LMS through 3.7.55

Timeline

  • 2026-10-22: disclosed
  • 2026-10-29: advisory

References

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