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Moodle: user profile information disclosure via grade web service

Priority LOW 19CWE-359Published · 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 · CNA. Fix status from CNA. Impact type from CWE-359.

Summary

A flaw was found in Moodle. An incorrect capability check in the grade web service allows an authenticated student to access profile information of other students enrolled in the same course that they should not have permission to view. This issue leads to unauthorized information disclosure.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00228 13th percentileScored 2026-11-07
Fix Fixed moodle: 5.2.2, 5.1.6, 5.0.9 +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
—moodle5.2.0 to before 5.2.2; 5.1.0 to before 5.1.6; 5.0.0 to before 5.0.9; before 4.5.135.2.2, 5.1.6, 5.0.9, 4.5.13Patch availableCNA
  • moodle Vendor— Affected 5.2.0 to before 5.2.2; 5.1.0 to before 5.1.6; 5.0.0 to before 5.0.9; before 4.5.13 Fixed in 5.2.2, 5.1.6, 5.0.9, 4.5.13 Patch available CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*before 4.5.13; 5.0.0 to before 5.0.9; 5.1.0 to before 5.1.6; 5.2.0 to before 5.2.2VulnerableMoodle
  • cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions before 4.5.13; 5.0.0 to before 5.0.9; 5.1.0 to before 5.1.6; 5.2.0 to before 5.2.2 Vulnerable ·Moodle

Remediation

  • Fix · CNA moodle Fixed in 5.2.2, 5.1.6, 5.0.9, 4.5.13

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-2026-102579
  2. 2026-10-03 Alias added: GHSA-q3h7-pfg7-m3c3

References

  • TI-2024-22468 moodle: unsafe direct use of $_SERVER['HTTP_REFERER'] in admin/tool/mfa/index.php CVSS 3.1CRITICAL 9.8
  • TI-2021-14741 In Moodle, an SQL injection risk was identified in the library fetching a user's recent courses. CVSS 3.1CRITICAL 9.8
  • TI-2024-29071 Moodle: remote code execution via calculated question types CVSS 3.1HIGH 8.1
  • TI-2016-06653 Moodle 3.1.2 allows remote attackers to obtain sensitive information via unspecified… CVSS 3.1HIGH 7.5
  • TI-2022-00259 SQL injection in moodle CVSS 3.1CRITICAL 9.8
  • TI-2022-16116 Path traversal in Moodle CVSS 3.1HIGH 7.5
See all 636 →

Sources