What’s Vulnerable › Vulnerabilities

CVE-2023-28334: Moodle: users' name enumeration possible via idor on learning plans page

Severity: medium (CVSS 4.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.6% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2023-03-23 · updated 2026-06-17
Weakness: CWE-200

Description

Authenticated users were able to enumerate other users' names via the learning plans page.

Affected products

Moodle: from 4.0.0 (excl.) before 4.0.7; 4.0.0, 4.1.0, 4.1.1 — fixed in 4.0.7

How to fix

Upgrade to a fixed version: Moodle 4.0.7. Check the vendor advisory for mitigations.

References

Get alerted when CVE-2023-28334 or the next vulnerability affects your stack