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TI-2019-02821 Aliases CVE-2019-3809GHSA-jp4g-r8c9-3534

Cross-site request forgery in [UNKNOWN] moodle

Priority MEDIUM 44CWE-352Published · Updated

Key facts

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

Attack profile from CVSS 3.0 · NVD. Fix status from CNA and GitHub. Impact type from CWE-352.

Summary

A flaw was found in Moodle versions 3.1 to 3.1.15 and earlier unsupported versions. The mybackpack functionality allowed setting the URL of badges, when it should be restricted to the Mozilla Open Badges backpack URL. This resulted in the possibility of blind SSRF via requests made by the page.

Why it matters now

EPSS 0.00837 57th percentileScored 2026-11-07
Fix Fixed moodle/moodle (Packagist): 3.1.16

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
[UNKNOWN]moodle3.1.16—No fix listedCNA
—moodle/moodle (Packagist)3.1 to before 3.1.163.1.16Patch availableGHSA-jp4g-r8c9-3534
  • moodle Vendor[UNKNOWN] Affected 3.1.16 Fixed in — No fix listed CNA
  • moodle/moodle (Packagist) Vendor— Affected 3.1 to before 3.1.16 Fixed in 3.1.16 Patch available GHSA-jp4g-r8c9-3534

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:*3.1.0 – 3.1.15VulnerableMoodle
  • cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions 3.1.0 – 3.1.15 Vulnerable ·Moodle

Remediation

  • Fix · GHSA-jp4g-r8c9-3534 moodle/moodle (Packagist) Fixed in 3.1.16 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-2019-3809
  2. 2026-10-03 Alias added: GHSA-jp4g-r8c9-3534

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