CVE-2025-67857

Medium

Description

A flaw was found in moodle. During anonymous assignment submissions, user identifiers were inadvertently exposed in URLs. This data exposure allows unauthorized viewers to see internal user IDs, compromising the intended anonymity and potentially leading to information disclosure.

SeverityMedium
CVSS4.3
Exploit probability—
ProductMoodle
PublishedFeb 3, 2026
First seenFeb 3, 2026
Weakness typeCWE-201CWE-201

How to fix

Update
  • moodle moodle4.1.21, 4.4.11, 4.5.8, 5.0.4 or later
  • moodle/moodle4.1.22, 4.4.12, 4.5.8, 5.0.4, 5.1.1 or later

Affected products

ProductAffected versionsFixed in
moodle moodlev < 4.1.21, 4.4.0 ≤ v < 4.4.11, 4.5.0 ≤ v < 4.5.8, 5.0.0 ≤ v < 5.0.4, 5.1.04.1.21, 4.4.11, 4.5.8, 5.0.4
moodle/moodlePackagistv < 4.1.22, 4.4.0-beta ≤ v < 4.4.12, 4.5.0-beta ≤ v < 4.5.8, 5.0.0-beta ≤ v < 5.0.4, 5.1.0-beta ≤ v < 5.1.14.1.22, 4.4.12, 4.5.8, 5.0.4, 5.1.1

Check your version

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