CVE-2025-67857

Published: Feb 3, 2026

Modified: Feb 3, 2026

PUBLISHED

CVSS v3.1

4.3

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.

Vendor	Product	Versions
Unknown	moodle	affected `4.1.0 - < 4.1.22` affected `4.4.0 - < 4.4.12` affected `4.5.0 - < 4.5.8` affected `5.0.0 - < 5.0.4` affected `5.1.0 - < 5.1.1`

Weaknesses (CWE)

CWE-201

CVSS v3.1 Details

CVSS v3.1 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

None

Availability

None

References

https://access.redhat.com/security/cve/CVE-2025-67857

vdb-entry

x_refsource_REDHAT

RHBZ#2423868

issue-tracking

x_refsource_REDHAT

https://moodle.org/mod/forum/discuss.php?d=471307

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CVE-2025-67857

Description

Affected Products

Weaknesses (CWE)

CVSS v3.1 Details

References