What’s Vulnerable › Vulnerabilities

CVE-2025-3628: Moodle: moodle assignment submission search leaks anonymous student identities

• Severity: medium (CVSS 4.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2025-04-25 · updated 2026-06-17
• Weakness: CWE-200

Description

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

Affected products

• Moodle: from 4.5.0 before 4.5.4 — fixed in 4.5.4

How to fix

Upgrade to a fixed version: Moodle 4.5.4. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/security/cve/CVE-2025-3628
• https://bugzilla.redhat.com/show_bug.cgi?id=2359706

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