Moodle Moodle vulnerabilities
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Published CVEs affecting Moodle Moodle: 36 record(s), with affected versions and fixes.cpe:2.3:a:moodle:moodle
CVE-2025-67847
High · 8.8
CWE-94 Jan 23, 2026
Moodle: moodle: remote code execution via insufficient restore input validation
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.
CVE-2021-47857
Medium · 6.1
CWE-79 Jan 21, 2026
Moodle 3.10.3 - 'label' Persistent Cross Site Scripting
Moodle 3.10.3 contains a persistent cross-site scripting vulnerability in the calendar event subtitle field that allows attackers to inject malicious scripts. Attackers can craft a calendar event with malicious JavaScript in the subtitle track label to execute arbitrary code when users view the event.
CVE-2025-62401
Medium · 4.3
CWE-285 Oct 23, 2025
Moodle: possible to bypass timer in timed assignments
An issue in Moodle’s timed assignment feature allowed students to bypass the time restriction, potentially giving them more time than allowed to complete an assessment.
CVE-2025-62400
Medium · 6.5
CWE-200 Oct 23, 2025
Moodle: hidden group names visible to event creators
Moodle exposed the names of hidden groups to users who had permission to create calendar events but not to view hidden groups. This could reveal private or restricted group information.
CVE-2025-62399
High · 7.5
CWE-307 Oct 23, 2025
Moodle: password brute force risk when mobile/web services enabled
Moodle’s mobile and web service authentication endpoints did not sufficiently restrict repeated password attempts, making them susceptible to brute-force attacks.
CVE-2025-62398
Medium · 5.4
CWE-287 Oct 23, 2025
Moodle: possible to bypass mfa
A serious authentication flaw allowed attackers with valid credentials to bypass multi-factor authentication under certain conditions, potentially compromising user accounts.
CVE-2025-62397
Medium · 5.3
CWE-209 Oct 23, 2025
Moodle: router produces json instead of 404 error for invalid course id
The router’s inconsistent response to invalid course IDs allowed attackers to infer which course IDs exist, potentially aiding reconnaissance.
CVE-2025-62396
Medium · 5.3
CWE-548 Oct 23, 2025
Moodle: router (r.php) could expose application directories
An error-handling issue in the Moodle router (r.php) could cause the application to display internal directory listings when specific HTTP headers were not properly configured.
CVE-2025-62395
Medium · 4.3
CWE-284 Oct 23, 2025
Moodle: external cohort search service leaks system cohort data
A flaw in the cohort search web service allowed users with permissions in lower contexts to access cohort information from the system context, revealing restricted administrative data.
CVE-2025-62394
Medium · 4.3
CWE-863 Oct 23, 2025
Moodle: quiz notifications sent to suspended participants
Moodle failed to verify enrolment status correctly when sending quiz notifications. As a result, suspended or inactive users might receive quiz-related messages, leaking limited course information.
CVE-2025-62393
Medium · 4.3
CWE-284 Oct 23, 2025
Moodle: course access permissions not properly checked in course_output_fragment_course_overview
A flaw was found in the course overview output function where user access permissions were not fully enforced. This could allow unauthorized users to view information about courses they should not have access to, potentially exposing limited course details.