7.5

CVE-2026-39524: themegrill masteriyo - lms Missing Authorization

CVSS: 7.5v3.1HighDeferred
Published 15-06-2026Last modified 16-06-2026
Open JSON

Vulnerability summary

CVE-2026-39524 is a high (CVSS 7.5) Missing Authorization vulnerability in themegrill masteriyo - lms. EPSS estimates a 0.35% chance of exploitation in the next 30 days, higher than 26.7% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.35%
0%100%
Low · +0.10 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 15-06-2026
    PublishedVulnerability first disclosed.
  2. 16-06-2026
    Last modifiedVulnerability information updated.

Description

Unauthenticated Broken Access Control in Masteriyo - LMS <= 2.1.5 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.35%

Chance of exploitation in the next 30 days

Percentile

27%

Versus all other CVEs

30-day change

+0.10 pp

From 0.25% on 20-09-2026

20-09-202620-10-2026
EPSS score
0.35%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Themegrill1 product
Wordpress1 product
  • learning-management-system≤ 2.1.5 (fixed in 2.1.6)

2 vendors · 2 products

References

2 links