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PatchSiren cyber security CVE debrief

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]).

Sources and references

Verified primary and authoritative sources

  • CVE-2026-39524 CVE Program record

    Publisher, destination, and source semantics verified

    URL: https://www.cve.org/CVERecord?id=CVE-2026-39524

    CVE Program - Official CVE Program record with source-provided CVE metadata.

  • CVE-2026-39524 NVD vulnerability detail

    Publisher, destination, and source semantics verified

    URL: https://nvd.nist.gov/vuln/detail/CVE-2026-39524

    NIST National Vulnerability Database - Official NIST NVD detail page and source-specific vulnerability assessment.

Methodology and review provenance

AI-assisted synthesis based on stored public vulnerability evidence. System validation, approval state, and publication status do not by themselves establish human review of this revision. PatchSiren helps prioritize defensive review and does not prove exposure or remediation on any system.