CVE-2025-67847: Moodle: moodle: remote code execution via insufficient restore input validation

Published Jan 23, 2026
·
Updated

A flaw was found in Moodle. An attacker with access to the restore interface could trigger server-side execution of arbitrary code. This is due to insufficient validation of restore input, which leads to unintended interpretation by core restore routines. Successful exploitation could result in a full compromise of the Moodle application.

Affected Software

11 affected componentsFixes available
Moodle Moodle
composer/moodle/moodle<4.1.22
4.1.22
composer/moodle/moodle>=4.2.0-beta<4.4.12
4.4.12
composer/moodle/moodle>=4.5.0-beta<4.5.8
4.5.8
composer/moodle/moodle>=5.0.0-beta<5.0.4
5.0.4
composer/moodle/moodle>=5.1.0-beta<5.1.1
5.1.1
Moodle Moodle<4.1.22
Moodle Moodle>=4.4.0<4.4.12
Moodle Moodle>=4.5.0<4.5.8
Moodle Moodle>=5.0.0<5.0.4
Moodle Moodle=5.1.0

Event History

Jan 23, 2026
CVE Published
via MITRE·04:35 AM
Data Sourced
via MITRE·04:35 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·05:16 AM
Affected Software
Advisory Published
via GitHub·06:31 AM
Data Sourced
via GitHub·06:31 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2025-67847?

CVE-2025-67847 is considered a high severity vulnerability due to its potential for remote code execution.

2

How do I fix CVE-2025-67847?

To fix CVE-2025-67847, update Moodle to the latest version where the input validation vulnerabilities are addressed.

3

What systems are affected by CVE-2025-67847?

CVE-2025-67847 affects the Moodle application, specifically versions prior to the patch that addresses the restore input validation issues.

4

What are the potential impacts of CVE-2025-67847?

Exploitation of CVE-2025-67847 allows an attacker to execute arbitrary code on the server, which could lead to a complete system compromise.

5

Is user authentication required to exploit CVE-2025-67847?

Yes, an attacker needs access to the restore interface in Moodle to exploit CVE-2025-67847.

Contact

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