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CVE-2026-39524 ThemeGrill CVE debrief

CVE-2026-39524 is a HIGH severity vulnerability (CVSS Score: 7.5) in the Masteriyo - LMS plugin up to version 2.1.5. The vulnerability is caused by unauthenticated broken access control, which could allow attackers to bypass payment controls. The vulnerability was published on [cvePublishedAt] and last modified on [cveModifiedAt].

Vendor
ThemeGrill
Product
Masteriyo - LMS
CVSS
HIGH 7.5
CISA KEV
Not listed in stored evidence
Original CVE published
2026-06-15
Original CVE updated
2026-06-15
Advisory published
2026-06-15
Advisory updated
2026-06-15

Who should care

Users of Masteriyo - LMS plugin versions up to 2.1.5 should apply patches or mitigations to prevent potential attacks.

Technical summary

The vulnerability has a CVSS vector of CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N and is classified under CWE-862. It was reported by [email protected].

Defensive priority

HIGH

Recommended defensive actions

  • Apply patches or updates to Masteriyo - LMS plugin to version 2.1.6 or later.
  • Restrict access to sensitive areas of the plugin.
  • Monitor plugin usage for suspicious activity.

Evidence notes

Evidence suggests that the vulnerability was reported by Patchstack (see [ref-4]).

Official resources

CVE-2026-39524 was published on June 15, 2026, and last modified on June 15, 2026.