9.8

CVE-2026-73996: masteriyo masteriyo - lms

CVSS: 9.8v3.1CriticalDeferred
Published 18-08-2026Last modified 18-08-2026
Open JSON

Vulnerability summary

CVE-2026-73996 is a critical (CVSS 9.8) vulnerability in masteriyo masteriyo - lms. EPSS estimates a 0.52% chance of exploitation in the next 30 days, higher than 43% of scored vulnerabilities. Fixed in 2.3.3.

Overall risk
70/100
0100
High · default modelHow is this calculated?
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)
EPSS score
0.52%
0%100%
Low · +0.16 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Timeline

  1. 18-08-2026
    PublishedVulnerability first disclosed.
  2. 18-08-2026
    Last modifiedVulnerability information updated.

Description

Unauthenticated Arbitrary File Upload in Masteriyo - LMS <= 2.3.2 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.52%

Chance of exploitation in the next 30 days

Percentile

43%

Versus all other CVEs

30-day change

+0.16 pp

From 0.36% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.52%

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

Masteriyo1 product
Wordpress1 product
  • learning-management-system≤ 2.3.2 (fixed in 2.3.3)

2 vendors · 2 products

References

2 links