Quick answers
- Is CVE-2026-88845 exploited in the wild?
- No. Junglewise Threat Intelligence has no report of CVE-2026-88845 being exploited in the wild.
- How severe is CVE-2026-88845?
- Medium severity, with a CVSS score of 4.3, published 24 September 2026.
- Which products and versions are affected?
- MasterStudy LMS 2.3.0 through 3.7.49.
- Is there a fix for CVE-2026-88845?
- A patch was published on 2026-09-24: Fixed in version 3.7.50 Junglewise finds every place you run it, drafts the upgrade and applies it once you approve.
- How is CVE-2026-88845 attacked?
- It is attacked over the network, in a web application.
- Am I affected by CVE-2026-88845?
- Check whether you run 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.
Technical details
The plugin fails to perform capability or nonce checks on an administrative demo import maintenance action, violating authorization controls (CWE-862). Any authenticated user can trigger this action to create published course and lesson content attributed to their account. The vulnerability affects versions before 3.7.50, where the fix validates proper authorization prior to executing the maintenance routine.
Affected products
- MasterStudy MasterStudy LMS 2.3.0 through 3.7.49
Timeline
- 2026-09-22: disclosed
- 2026-09-24: patched: Fixed in version 3.7.50