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Moodle's feedback response viewing and deletions did not respect Separate Groups mode

Moderate severity GitHub Reviewed Published Feb 24, 2025 to the GitHub Advisory Database • Updated Feb 24, 2025

Package

composer moodle/moodle (Composer)

Affected versions

>= 4.5.0-beta, < 4.5.2
>= 4.4.0-beta, < 4.4.6
>= 4.3.0-beta, < 4.3.10
< 4.1.16

Patched versions

4.5.2
4.4.6
4.3.10
4.1.16

Description

Separate Groups mode restrictions were not factored into permission checks before allowing viewing or deletion of responses in Feedback
activities.

References

Published by the National Vulnerability Database Feb 24, 2025
Published to the GitHub Advisory Database Feb 24, 2025
Reviewed Feb 24, 2025
Last updated Feb 24, 2025

Severity

Moderate

CVSS overall score

This score calculates overall vulnerability severity from 0 to 10 and is based on the Common Vulnerability Scoring System (CVSS).
/ 10

CVSS v3 base metrics

Attack vector
Network
Attack complexity
Low
Privileges required
None
User interaction
None
Scope
Unchanged
Confidentiality
Low
Integrity
Low
Availability
None

CVSS v3 base metrics

Attack vector: More severe the more the remote (logically and physically) an attacker can be in order to exploit the vulnerability.
Attack complexity: More severe for the least complex attacks.
Privileges required: More severe if no privileges are required.
User interaction: More severe when no user interaction is required.
Scope: More severe when a scope change occurs, e.g. one vulnerable component impacts resources in components beyond its security scope.
Confidentiality: More severe when loss of data confidentiality is highest, measuring the level of data access available to an unauthorized user.
Integrity: More severe when loss of data integrity is the highest, measuring the consequence of data modification possible by an unauthorized user.
Availability: More severe when the loss of impacted component availability is highest.
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N

EPSS score

Weaknesses

CVE ID

CVE-2025-26526

GHSA ID

GHSA-pxg4-xjp7-w9c5

Source code

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