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TI-2024-22468 Aliases CVE-2024-33999GHSA-r2wx-46gp-rp3h

moodle: unsafe direct use of $_SERVER['HTTP_REFERER'] in admin/tool/mfa/index.php

Priority HIGH 82CWE-20Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Impact type
—
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub.

Summary

The referrer URL used by MFA required additional sanitizing, rather than being used directly.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00545 45th percentileScored 2026-11-07
Fix Fixed moodle/moodle (Packagist): 4.3.4

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
—Moodle4.3 – 4.3.3—No fix listedCNA
—moodle/moodle (Packagist)4.3.0 to before 4.3.44.3.4Patch availableGHSA-r2wx-46gp-rp3h
  • Moodle Vendor— Affected 4.3 – 4.3.3 Fixed in — No fix listed CNA
  • moodle/moodle (Packagist) Vendor— Affected 4.3.0 to before 4.3.4 Fixed in 4.3.4 Patch available GHSA-r2wx-46gp-rp3h

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*4.3.0 to before 4.3.4VulnerableMoodle
  • cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions 4.3.0 to before 4.3.4 Vulnerable ·Moodle

Remediation

  • Fix · GHSA-r2wx-46gp-rp3h moodle/moodle (Packagist) Fixed in 4.3.4 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-2024-33999
  2. 2026-10-03 Alias added: GHSA-r2wx-46gp-rp3h

References

  • 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
  • TI-2018-01050 Code injection in Moodle 3.x unknown CVSS 3.0HIGH 8.8
See all 636 →

Sources