What is CVE-2023-3345?

CVE-2023-3345 is a medium-severity vulnerability in Themegrill Masteriyo, classified under CWE-863 INCORRECT AUTHORIZATION. CVSS score: 6.5/10. Published 2023-07-31.

How severe is CVE-2023-3345?

Medium severity. CVSS v3 base score is 6.5 out of 10.

Is CVE-2023-3345 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Vulnerability in Themegrill Masteriyo

CVE-2023-3345

The LMS by Masteriyo WordPress plugin before 1.6.8 does not have proper authorization in one some of its REST API endpoints, making it possible for any students to retrieve email addresses of other students

Published 2023-07-31 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N.

EPSS exploit prediction

EPSS: 0.020 (79.6th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000

Affected products

Themegrill Masteriyo
Lms By Masteriyo — versions 0

Public proof-of-concept exploits

20142995/nuclei-templates

References

wpscan.com/vulnerability/0d07423e-98d2-43a3-824d-562747a3d65a (Exploit, technical-description, Third Party Advisory, exploit, vdb-entry)

Frequently asked questions

What is CVE-2023-3345?: CVE-2023-3345 is a medium-severity vulnerability in Themegrill Masteriyo, classified under CWE-863 INCORRECT AUTHORIZATION. CVSS score: 6.5/10. Published 2023-07-31.
How severe is CVE-2023-3345?: Medium severity. CVSS v3 base score is 6.5 out of 10.
Is CVE-2023-3345 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.