Server-Side Code Execution in Moodle Restore Interface

Publication date: 2026-01-23

Last updated on: 2026-03-05

Assigner: Fedora Project

Description

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.

CVSS Scores

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Meta Information

Published

2026-01-23

Last Modified

2026-03-05

Generated

2026-07-06

AI Q&A

2026-01-23

EPSS Evaluated

2026-07-04

NVD

CVE-2025-67847

Affected Vendors & Products

Vendor	Product	Version / Range
moodle	moodle	From 4.5.0 (inc) to 4.5.8 (exc)
moodle	moodle	From 5.0.0 (inc) to 5.0.4 (exc)
moodle	moodle	5.1.0
moodle	moodle	to 4.1.22 (exc)
moodle	moodle	From 4.4.0 (inc) to 4.4.12 (exc)

Helpful Resources

Exploitability

CWE

KEV

CWE ID	Description
CWE-94	The product constructs all or part of a code segment using externally-influenced input from an upstream component, but it does not neutralize or incorrectly neutralizes special elements that could modify the syntax or behavior of the intended code segment.

Attack-Flow Graph

Executive Summary

This vulnerability is a flaw in Moodle where an attacker who has access to the restore interface can execute arbitrary code on the server. This happens because the restore input is not properly validated, causing the core restore routines to misinterpret the input and execute unintended commands.

Impact Analysis

Exploiting this vulnerability could lead to a full compromise of the Moodle application, allowing an attacker to execute arbitrary code on the server, potentially leading to data loss, unauthorized access, or disruption of services.

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