6.5

CVE-2026-59513: masteriyo masteriyo - lms Cross-site Scripting

CVSS: 6.5v3.1MediumDeferred
Published 23-07-2026Last modified 23-07-2026
Open JSON

Vulnerability summary

CVE-2026-59513 is a medium (CVSS 6.5) Cross-site Scripting vulnerability in masteriyo masteriyo - lms. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.2% of scored vulnerabilities. Fixed in 2.3.1.

Overall risk
26/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.22%
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. 23-07-2026
    PublishedVulnerability first disclosed.
  2. 23-07-2026
    Last modifiedVulnerability information updated.

Description

Subscriber Cross Site Scripting (XSS) in Masteriyo - LMS <= 2.3.0 versions.

CVSS metrics

3 scores · 3 sources · 1 version

EPSS trend

Probability

0.22%

Chance of exploitation in the next 30 days

Percentile

12%

Versus all other CVEs

30-day change

0.00 pp

From 0.22% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.22%

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≤ 2.3.0 (fixed in 2.3.1)

2 vendors · 2 products

References

2 links