Moodle: students can view other users in "only see own membership" groups
Priority LOW 21CWE-284Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Security bypass, Information disclosure
- Confidentiality · integrity · availability
- Low · None · None
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-284, CWE-668 and the CVSS impact.
Summary
Students in "Only see own membership" groups could see other students in the group, which should be hidden.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00477 41st percentileScored 2026-11-07
Fix Fixed moodle/moodle (Packagist): 4.3.0-rc2
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | moodle | 4.2.2 | — | No fix listed | CNA |
| — | moodle/moodle (Packagist) | before 4.3.0-rc2 | 4.3.0-rc2 | Patch available | GHSA-8mm2-m2gp-c6x2 |
- moodle Vendor— Affected 4.2.2 Fixed in — No fix listed CNA
- moodle/moodle (Packagist) Vendor— Affected before 4.3.0-rc2 Fixed in 4.3.0-rc2 Patch available GHSA-8mm2-m2gp-c6x2
CPE configurations NVD · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:moodle:moodle:4.2.2:*:*:*:*:*:*:* | 4.2.2 | Vulnerable | Moodle |
| cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:* | 7.0 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* | 38 | Vulnerable | Fedoraproject |
- cpe:2.3:a:moodle:moodle:4.2.2:*:*:*:*:*:*:* Versions 4.2.2 Vulnerable ·Moodle
- cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:* Versions 7.0 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:* Versions 38 Vulnerable ·Fedoraproject
Remediation
- Fix · GHSA-8mm2-m2gp-c6x2 moodle/moodle (Packagist) Fixed in 4.3.0-rc2 Advisory →
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2023-5542
- 2026-10-03 Alias added: GHSA-8mm2-m2gp-c6x2
References
Patch 3
Sources
- CVE-2023-5542 · CVE Program
- CVE-2023-5542 · NVD
- FIRST EPSS
- GHSA-8mm2-m2gp-c6x2 · GitHub Advisory Database · CC BY 4.0
- CVE-2023-5542 · Red Hat security data · CC BY 4.0
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