CVE-2023-28336 Moodle: teacher can access names of users they do not have permission to access
Teachers can view names of unauthorized users via grade report history, exposing private user data in Moodle.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2023-28336?
CVE-2023-28336 is a medium-severity vulnerability in Fedoraproject Fedora, published on 23 Mar 2023. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
Insufficient filtering of grade report history made it possible for teachers to access the names of users they could not otherwise access.
Which versions are affected by CVE-2023-28336?
9 open source packages ship an affected version, including moodle/moodle and moodle. It affects 2 products.
| Package | Affected | Fixed in |
|---|---|---|
moodle/moodle Packagist | All versions | 3.9.20 |
moodle/moodle Packagist | All versions | 3.9.20 |
moodle/moodle Packagist | From 3.11.0 | 3.11.13 |
moodle/moodle Packagist | From 3.11.0 | 3.11.13 |
moodle/moodle Packagist | From 4.0.0 | 4.0.7 |
moodle/moodle Packagist | From 4.0.0 | 4.0.7 |
3 more packages
moodle/moodle Packagist | From 4.1.0 | 4.1.2 |
moodle/moodle Packagist | From 4.1.0 | 4.1.2 |
moodle Bitnami | From 3.9.0 | 3.9.20, 3.11.13, 4.0.7, 4.1.2 |
Products include Fedoraproject Fedora, Moodle Moodle.
How do I fix CVE-2023-28336?
Upgrade moodle/moodle to a fixed version for your release line: 3.9.20, 3.11.13, 4.0.7 or 4.1.2.
Is CVE-2023-28336 being exploited?
There is no known exploitation of CVE-2023-28336 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as BIT-moodle-2023-28336, GHSA-prjm-2fj2-787f, UBUNTU-CVE-2023-28336.