9.8

CVE-2025-53209: themeisle masteriyo lms pro Incorrect Privilege Assignment

CVSS: 9.8v3.1CriticalDeferred
Published 02-06-2026Last modified 02-06-2026
Open JSON

Vulnerability summary

CVE-2025-53209 is a critical (CVSS 9.8) Incorrect Privilege Assignment vulnerability in themeisle masteriyo lms pro. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 18.7% of scored vulnerabilities. Fixed in 2.20.1.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.27%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 02-06-2026
    PublishedVulnerability first disclosed.
  2. 02-06-2026
    Last modifiedVulnerability information updated.

Description

Incorrect Privilege Assignment vulnerability in Themeisle Masteriyo LMS PRO allows Privilege Escalation. This issue affects Masteriyo LMS PRO: from n/a through 2.20.0.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.27%

Chance of exploitation in the next 30 days

Percentile

19%

Versus all other CVEs

30-day change

0.00 pp

From 0.27% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.27%

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

Themeisle1 product
Wordpress1 product
  • learning-management-system-pro≤ 2.20.0 (fixed in 2.20.1)

2 vendors · 2 products

References

2 links