Information disclosure in Moodle

CVE-2025-3628

A flaw has was found in Moodle where anonymous assignment submissions can be de-anonymized via search, revealing student identities.

Vulnerability class: Information Disclosure

EPSS: 0.003 (23.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N.

Affected products

Moodle

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

fkie-cad/nvd-json-data-feeds

References

patrick@puiterwijk.org (x_refsource_REDHAT, Third Party Advisory, vdb-entry)
patrick@puiterwijk.org (x_refsource_REDHAT, issue-tracking, Issue Tracking)

Frequently asked questions

What is CVE-2025-3628?: CVE-2025-3628 is a medium-severity vulnerability in Moodle, classified under Information Disclosure. CVSS score: 4.3/10. Published 2025-04-25.
How severe is CVE-2025-3628?: Medium severity. CVSS v3 base score is 4.3 out of 10.
Is CVE-2025-3628 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.