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TI-2023-12884 Aliases CVE-2023-28336GHSA-prjm-2fj2-787f

Moodle: teacher can access names of users they do not have permission to access

Priority LOW 21CWE-200Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
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-200.

Summary

Insufficient filtering of grade report history made it possible for teachers to access the names of users they could not otherwise access.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00742 54th percentileScored 2026-11-07
Fix Fixed moodle: 4.1.2, 4.0.7, 3.11.13 +1moodle/moodle (Packagist): 4.1.2, 4.0.7, 3.11.13 +1

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

VendorProductAffected versionsFixed inStatusSource
—moodle4.1.0 to before 4.1.2; 4.0.0 to before 4.0.7; 3.11.0 to before 3.11.13; before 3.9.204.1.2, 4.0.7, 3.11.13, 3.9.20Patch availableCNA
—moodle/moodle (Packagist)4.1.0 to before 4.1.24.1.2Patch availableGHSA-prjm-2fj2-787f
—moodle/moodle (Packagist)4.0.0 to before 4.0.74.0.7Patch availableGHSA-prjm-2fj2-787f
—moodle/moodle (Packagist)3.11.0 to before 3.11.133.11.13Patch availableGHSA-prjm-2fj2-787f
—moodle/moodle (Packagist)before 3.9.203.9.20Patch availableGHSA-prjm-2fj2-787f
  • moodle Vendor— Affected 4.1.0 to before 4.1.2; 4.0.0 to before 4.0.7; 3.11.0 to before 3.11.13; before 3.9.20 Fixed in 4.1.2, 4.0.7, 3.11.13, 3.9.20 Patch available CNA
  • moodle/moodle (Packagist) Vendor— Affected 4.1.0 to before 4.1.2 Fixed in 4.1.2 Patch available GHSA-prjm-2fj2-787f
  • moodle/moodle (Packagist) Vendor— Affected 4.0.0 to before 4.0.7 Fixed in 4.0.7 Patch available GHSA-prjm-2fj2-787f
  • moodle/moodle (Packagist) Vendor— Affected 3.11.0 to before 3.11.13 Fixed in 3.11.13 Patch available GHSA-prjm-2fj2-787f
  • moodle/moodle (Packagist) Vendor— Affected before 3.9.20 Fixed in 3.9.20 Patch available GHSA-prjm-2fj2-787f

CPE configurations NVD · 7

CPEVersionsRoleVendor
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*after 3.9.0, before 3.9.20; after 3.11.0, before 3.11.13; after 4.0.0, before 4.0.7VulnerableMoodle
cpe:2.3:a:moodle:moodle:3.9.0:-:*:*:*:*:*:*3.9.0VulnerableMoodle
cpe:2.3:a:moodle:moodle:3.11.0:-:*:*:*:*:*:*3.11.0VulnerableMoodle
cpe:2.3:a:moodle:moodle:4.0.0:-:*:*:*:*:*:*4.0.0VulnerableMoodle
cpe:2.3:a:moodle:moodle:4.1.0:-:*:*:*:*:*:*4.1.0VulnerableMoodle
cpe:2.3:a:moodle:moodle:4.1.1:*:*:*:*:*:*:*4.1.1VulnerableMoodle
cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*36VulnerableFedoraproject
  • cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions after 3.9.0, before 3.9.20; after 3.11.0, before 3.11.13; after 4.0.0, before 4.0.7 Vulnerable ·Moodle
  • cpe:2.3:a:moodle:moodle:3.9.0:-:*:*:*:*:*:* Versions 3.9.0 Vulnerable ·Moodle
  • cpe:2.3:a:moodle:moodle:3.11.0:-:*:*:*:*:*:* Versions 3.11.0 Vulnerable ·Moodle
  • cpe:2.3:a:moodle:moodle:4.0.0:-:*:*:*:*:*:* Versions 4.0.0 Vulnerable ·Moodle
  • cpe:2.3:a:moodle:moodle:4.1.0:-:*:*:*:*:*:* Versions 4.1.0 Vulnerable ·Moodle
  • cpe:2.3:a:moodle:moodle:4.1.1:*:*:*:*:*:*:* Versions 4.1.1 Vulnerable ·Moodle
  • cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* Versions 36 Vulnerable ·Fedoraproject

Remediation

  • Fix · CNA moodle Fixed in 4.1.2, 4.0.7, 3.11.13, 3.9.20
  • Fix · GHSA-prjm-2fj2-787f moodle/moodle (Packagist) Fixed in 4.1.2 Advisory →
  • Fix · GHSA-prjm-2fj2-787f moodle/moodle (Packagist) Fixed in 4.0.7 Advisory →
  • Fix · GHSA-prjm-2fj2-787f moodle/moodle (Packagist) Fixed in 3.11.13 Advisory →
  • Fix · GHSA-prjm-2fj2-787f moodle/moodle (Packagist) Fixed in 3.9.20 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product
  • Red Hat

Timeline

  1. 2026-10-02 Threatist record created from CVE-2023-28336
  2. 2026-10-03 Alias added: GHSA-prjm-2fj2-787f

References

Patch 1

Advisory 2

Other 6

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences