Exposure of Sensitive Information to an Unauthorized Actor in Moodle
The participants table download in Moodle always included user emails, but should have only done so when users' emails are not hidden. Versions affected: 3.9 to 3.9.2, 3.8 to 3.8.5 and 3.7 to 3.7.8. This is fixed in moodle 3.9.3, 3.8.6, 3.7.9, and 3.10.
Affected software
Click a technology to see all vulnerabilities affecting it.
| Platform | Package | Vulnerable versions | Fixed in |
|---|---|---|---|
| Composer package | moodle/moodle | >= 3.9.0, < 3.9.3, >= 3.8.0, < 3.8.6, >= 3.7.0, < 3.7.9, >= 3.10.0-beta, < 3.10.0 | 3.9.3, 3.8.6, 3.7.9, 3.10.0 |
References
- https://nvd.nist.gov/vuln/detail/CVE-2020-25703
- https://bugzilla.redhat.com/show_bug.cgi?id=1895439
- https://github.com/moodle/moodle
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4NNFCHPPHRJNJROIX6SYMHOC6HMKP3GU
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/B55KXBVAT45MDASJ3EK6VIGQOYGJ4NH6
- https://moodle.org/mod/forum/discuss.php?d=413941
- CVSS vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N- Weakness (CWE)
CWE-200- Platform
- Composer
- Package
moodle/moodle- Disclosed
- 21.10.2021
- Updated
- 11.10.2026 10:22
Sources and licenses
OSV / GitHub Advisory Database - GHSA-c7v4-m269-4995 - CC BY 4.0
Vulnerability history: moodle/moodle
All published vulnerabilities of this package (Composer package), newest first. Shows whether this is a one-off slip or a package that needs watching.
- Total entries
- 437
- First → latest
- 03.2021 02.2026
- Without a fix
- 10
- Exploited in attacks
- 0
Severity breakdown
- Critical 16
- High 68
- Medium 318
- Low 35
Disclosures per year
- 2021: 11
- 2022: 285
- 2023: 43
- 2024: 53
- 2025: 33
- 2026: 12
-
Exposure of Sensitive Information to an Unauthorized Actor in Moodle this entry
Know which vulnerabilities affect your application
With the DockRay integration and software inventory enabled, DockRay checks reported component versions against known vulnerabilities and notifies you about confirmed matches. Coverage depends on the supported technology and available advisory data.