CVE-2025-3635 Moodle: csrf risk in moodle user tours manager allows tour duplication

Low 3.5 Published Updated

Attackers can force unauthenticated users to duplicate existing tours in Moodle due to missing CSRF protection.

Exploited in the wild
Not known
Login needed
Any signed-in user
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
Available

What is CVE-2025-3635?

CVE-2025-3635 is a low-severity vulnerability in Moodle Moodle, published on 25 Apr 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.

Official description

A security vulnerability was discovered in Moodle that allows anyone to duplicate existing tours without needing to log in due to a lack of protection against cross-site request forgery (CSRF) attacks.

Weakness: CWE-352

Which versions are affected by CVE-2025-3635?

9 open source packages ship an affected version, including moodle/moodle and moodle. It affects 1 product.

PackageAffectedFixed in
moodle/moodle PackagistAll versions4.1.18
moodle/moodle PackagistAll versions4.1.18
moodle/moodle PackagistFrom 4.3.0-beta4.3.12
moodle/moodle PackagistFrom 4.3.0-beta4.3.12
moodle/moodle PackagistFrom 4.4.0-beta4.4.8
moodle/moodle PackagistFrom 4.4.0-beta4.4.8
3 more packages
moodle/moodle PackagistFrom 4.5.0-beta4.5.4
moodle/moodle PackagistFrom 4.5.0-beta4.5.4
moodle BitnamiAll versions4.1.18, 4.3.12, 4.4.8, 4.5.4

Products include Moodle Moodle.

How do I fix CVE-2025-3635?

Upgrade moodle/moodle to a fixed version for your release line: 4.1.18, 4.3.12, 4.4.8 or 4.5.4.

Is CVE-2025-3635 being exploited?

There is no known exploitation of CVE-2025-3635 in the wild and no public exploit code.

All Moodle Moodle vulnerabilities

Sources

Also known as BIT-moodle-2025-3635, GHSA-88xj-97gf-7wpq, UBUNTU-CVE-2025-3635.

Is CVE-2025-3635 in your software?

Upload an SBOM and sbomify checks it against every vulnerability here, every day.

Check your SBOMs for free