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TI-2023-05109 Aliases CVE-2023-5551GHSA-jr83-8x65-xcr5

Moodle: forum summary report shows students from other groups when in separate groups mode

Priority LOW 16CWE-200Published · Updated

Key facts

Attack vector
Local
Privileges required
None
User interaction
Required
Attack complexity
Low
Impact type
Information disclosure
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA and GitHub. Impact type from CWE-200.

Summary

Separate Groups mode restrictions were not honoured in the forum summary report, which would display users from other groups.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00287 21st percentileScored 2026-11-07
Fix Fixed moodle: 4.2.3, 4.1.6, 4.0.11 +2moodle/moodle (Packagist): 4.3.0-rc2, 4.2.3, 4.1.6 +3

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
—moodle4.2.0 to before 4.2.3; 4.1.0 to before 4.1.6; 4.0.0 to before 4.0.11; 3.11.0 to before 3.11.17; before 3.9.244.2.3, 4.1.6, 4.0.11, 3.11.17, 3.9.24Patch availableCNA
—moodle/moodle (Packagist)4.3.0-beta to before 4.3.0-rc24.3.0-rc2Patch availableGHSA-jr83-8x65-xcr5
—moodle/moodle (Packagist)4.2.0 to before 4.2.34.2.3Patch availableGHSA-jr83-8x65-xcr5
—moodle/moodle (Packagist)4.1.0 to before 4.1.64.1.6Patch availableGHSA-jr83-8x65-xcr5
—moodle/moodle (Packagist)4.0.0 to before 4.0.114.0.11Patch availableGHSA-jr83-8x65-xcr5
—moodle/moodle (Packagist)3.10.0 to before 3.11.173.11.17Patch availableGHSA-jr83-8x65-xcr5
—moodle/moodle (Packagist)before 3.9.243.9.24Patch availableGHSA-jr83-8x65-xcr5
  • moodle Vendor— Affected 4.2.0 to before 4.2.3; 4.1.0 to before 4.1.6; 4.0.0 to before 4.0.11; 3.11.0 to before 3.11.17; before 3.9.24 Fixed in 4.2.3, 4.1.6, 4.0.11, 3.11.17, 3.9.24 Patch available CNA
  • moodle/moodle (Packagist) Vendor— Affected 4.3.0-beta to before 4.3.0-rc2 Fixed in 4.3.0-rc2 Patch available GHSA-jr83-8x65-xcr5
  • moodle/moodle (Packagist) Vendor— Affected 4.2.0 to before 4.2.3 Fixed in 4.2.3 Patch available GHSA-jr83-8x65-xcr5
  • moodle/moodle (Packagist) Vendor— Affected 4.1.0 to before 4.1.6 Fixed in 4.1.6 Patch available GHSA-jr83-8x65-xcr5
  • moodle/moodle (Packagist) Vendor— Affected 4.0.0 to before 4.0.11 Fixed in 4.0.11 Patch available GHSA-jr83-8x65-xcr5
  • moodle/moodle (Packagist) Vendor— Affected 3.10.0 to before 3.11.17 Fixed in 3.11.17 Patch available GHSA-jr83-8x65-xcr5
  • moodle/moodle (Packagist) Vendor— Affected before 3.9.24 Fixed in 3.9.24 Patch available GHSA-jr83-8x65-xcr5

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*before 3.9.24; 3.11.0 to before 3.11.17; 4.0.0 to before 4.0.11; 4.1.0 to before 4.1.6; 4.2.0 to before 4.2.3VulnerableMoodle
cpe:2.3:a:fedoraproject:extra_packages_for_enterprise_linux:7.0:*:*:*:*:*:*:*7.0VulnerableFedoraproject
cpe:2.3:o:fedoraproject:fedora:38:*:*:*:*:*:*:*38VulnerableFedoraproject
  • cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions before 3.9.24; 3.11.0 to before 3.11.17; 4.0.0 to before 4.0.11; 4.1.0 to before 4.1.6; 4.2.0 to before 4.2.3 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 · CNA moodle Fixed in 4.2.3, 4.1.6, 4.0.11, 3.11.17, 3.9.24
  • Fix · GHSA-jr83-8x65-xcr5 moodle/moodle (Packagist) Fixed in 4.3.0-rc2 Advisory →
  • Fix · GHSA-jr83-8x65-xcr5 moodle/moodle (Packagist) Fixed in 4.2.3 Advisory →
  • Fix · GHSA-jr83-8x65-xcr5 moodle/moodle (Packagist) Fixed in 4.1.6 Advisory →
  • Fix · GHSA-jr83-8x65-xcr5 moodle/moodle (Packagist) Fixed in 4.0.11 Advisory →
  • Fix · GHSA-jr83-8x65-xcr5 moodle/moodle (Packagist) Fixed in 3.11.17 Advisory →
  • Fix · GHSA-jr83-8x65-xcr5 moodle/moodle (Packagist) Fixed in 3.9.24 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-2023-5551
  2. 2026-10-03 Alias added: GHSA-jr83-8x65-xcr5

References

Sources