CVE-2024-43431: Moodle Badge Deletion Vulnerability Due to Insufficient Capability Checks

moodle Updated 02 Oct 2025

Summary

02/05/2025
Yes i
High
Not published

CVE-2024-43431: Moodle: idor in badges allows deletion of arbitrary badges. Affects moodle across 4 version ranges.

< 4.1.12 >= 4.2.0, < 4.2.9 >= 4.3.0, < 4.3.6 >= 4.4.0, < 4.4.2

Fixed in 4 releases; the minimum fixed version depends on the release line you run. How to fix ↓

Also tracked for

The same CVE-2024-43431 is tracked separately for each ecosystem and vendor. Its fix information is the same; the package and affected versions differ.

Free scan

Check if this vulnerability affects your application

Upload a manifest or SBOM and we'll show whether you're affected, plus every other risky package in the same scan.

Check my app free

No signup required · Results in about 60 seconds

Sponsored Devnack Penetration testing for web, API and mobile Manual testing by engineers who build software, not an auditor's checklist. Trusted by teams at Swift and Google Talk to Devnack

Background

Moodle is an open-source learning platform designed to provide educators, administrators, and learners with a single robust, secure, and integrated system to create personalized learning environments. It supports a variety of features including course management, user management, and a range of plugins to enhance functionality. However, a recent vulnerability has been identified that allows unauthorized deletion of badges, which are essential for recognizing user achievements within the platform.

Vulnerability Detail

A vulnerability was discovered in Moodle that stems from insufficient capability checks. This flaw allows users to delete badges that they do not have permission to access, potentially leading to unauthorized modifications of user achievements and undermining the integrity of the platform. The vulnerability affects multiple versions of Moodle, making it crucial for users to address this issue promptly to maintain security and trust in the system.

How To Fix

Fixed versions by release line

The minimum fixed version depends on the release line you run.

  • < 4.1.12 4.1.12
  • >= 4.2.0, < 4.2.9 4.2.9
  • >= 4.3.0, < 4.3.6 4.3.6
  • >= 4.4.0, < 4.4.2 4.4.2

Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →

Workaround

As a temporary workaround, restrict user permissions related to badge management until the update can be applied. Review user roles and capabilities to ensure that only authorized users can manage badges.

Conclusion

The vulnerability CVE-2024-43431 poses a significant risk to Moodle installations by allowing unauthorized deletion of badges. It is essential for users to update their systems to the latest patched versions to mitigate this risk. Additionally, implementing temporary workarounds can help protect against potential exploitation until updates are applied.

See every vulnerability recorded for moodle →

Share this vulnerability

FAQ

CVE-2024-43431 is a vulnerability in Moodle that allows unauthorized deletion of badges due to insufficient capability checks.

If you are using Moodle versions prior to 4.1.12, 4.2.9, 4.3.6, or 4.4.2, your installation is vulnerable. You can check your version in the admin settings.

The main risk is that unauthorized users can delete badges, which can compromise the integrity of user achievements and the overall trust in the Moodle platform.

Yes, you can use Vulert to monitor your application for vulnerabilities in real-time. It requires only a manifest file like package-lock.json to function.

Vulert provides a service to monitor open-source vulnerabilities without requiring code access. You can check your application for vulnerabilities using the Vulert playground at Vulert Scanner.

Related vulnerabilities

Recent vulnerabilities recorded for moodle.

How To Fix

Fixed versions by release line

The minimum fixed version depends on the release line you run.

  • < 4.1.12 4.1.12
  • >= 4.2.0, < 4.2.9 4.2.9
  • >= 4.3.0, < 4.3.6 4.3.6
  • >= 4.4.0, < 4.4.2 4.4.2

Tip — Not sure which release line you're on? Vulert can find the fix for the version you are using. Scan free →

Subscribe to Vulert on Telegram
Daily digest of new CVEs, critical and high severity, affected packages and fixes — plus a weekly roundup.
Join the channel →
Help improve this record
Report an issue or send feedback