CVE-2018-10890
Moodle Exposure of Sensitive Information to an Unauthorized Actor
A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. It was possible for the core_course_get_categories web service to return hidden categories, which should be omitted when fetching course categories.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- Low
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. It was possible for the core_course_get_categories web service to return hidden categories, which should be omitted when fetching course categories.
- Record
CVE-2018-10890- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
EUVDEUVD-2022-2663
A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. It was possible for the core_course_get_categories web service to return hidden categories, which should be omitted when fetching course categories.
- Record
EUVD-2022-2663- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-5w4h-xrr5-7273
Moodle Exposure of Sensitive Information to an Unauthorized Actor
A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. It was possible for the core_course_get_categories web service to return hidden categories, which should be omitted when fetching course categories.
- Record
GHSA-5w4h-xrr5-7273- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
NVD
A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. It was possible for the core_course_get_categories web service to return hidden categories, which should be omitted when fetching course categories.
- Record
CVE-2018-10890- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSV
A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. It was possible for the core_course_get_categories web service to return hidden categories, which should be omitted when fetching course categories.
- Record
CVE-2018-10890- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
OSVGHSA-5w4h-xrr5-7273
Moodle Exposure of Sensitive Information to an Unauthorized Actor
A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. It was possible for the core_course_get_categories web service to return hidden categories, which should be omitted when fetching course categories.
- Record
GHSA-5w4h-xrr5-7273- CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Weakness
- CWE-200
- Updated
- 2026-11-02
OSVUBUNTU-CVE-2018-10890
A flaw was found in moodle before versions 3.5.1, 3.4.4, 3.3.7, 3.1.13. It was possible for the core_course_get_categories web service to return hidden categories, which should be omitted when fetching course categories.
- Record
UBUNTU-CVE-2018-10890- CVSS 3.0
- 4.3 Medium
CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N - CVSS 3.0
- 5.3 Medium
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
moodle/moodlePackagist |
3.1 up to 3.1.13 | 3.1.13 |
moodle/moodlePackagist |
3.3 up to 3.3.7 | 3.3.7 |
moodle/moodlePackagist |
3.4 up to 3.4.4 | 3.4.4 |
moodle/moodlePackagist |
3.5 up to 3.5.1 | 3.5.1 |
moodle/moodlePackagist |
3.1 up to 3.1.13, plus listed versions v3.1.0v3.1.0-betav3.1.0-rc1v3.1.0-rc2v3.1.1 Show 11 moreShow lessv3.1.10v3.1.11v3.1.12v3.1.2v3.1.3v3.1.4v3.1.5v3.1.6v3.1.7v3.1.8v3.1.9 |
3.1.13 |
moodle/moodlePackagist |
3.3 up to 3.3.7, plus listed versions v3.3.0v3.3.0-betav3.3.0-rc1v3.3.0-rc2v3.3.0-rc3 Show 6 moreShow lessv3.3.1v3.3.2v3.3.3v3.3.4v3.3.5v3.3.6 |
3.3.7 |
moodle/moodlePackagist |
3.4 up to 3.4.4, plus listed versions v3.4.0v3.4.0-betav3.4.0-rc1v3.4.0-rc2v3.4.0-rc3v3.4.1v3.4.2v3.4.3 |
3.4.4 |
moodle/moodlePackagist |
3.5 up to 3.5.1, plus listed versions v3.5.0v3.5.0-betav3.5.0-rc1 |
3.5.1 |
moodleUbuntu:Pro:16.04:LTS |
All versions, plus listed versions 2.7.9+dfsg-12.7.10+dfsg-12.7.11+dfsg-12.7.11+dfsg-22.7.12+dfsg-13.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
moodleUbuntu:Pro:18.04:LTS |
All versions, plus listed versions 3.0.3+dfsg-0ubuntu13.0.3+dfsg-0ubuntu1+esm1 |
None known |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2018-10890 is a medium vulnerability (CVSS 4.3) in [unknown] Moodle, published July 10, 2018. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.05%, the 81st percentile. Fixed in moodle/moodle 3.1.13.