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TI-2023-12881 Aliases CVE-2023-28333GHSA-q2x3-2f9g-h559

Moodle: pix helper potential mustache code injection risk

Priority MEDIUM 51CWE-94Published · Updated

Key facts

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

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and GitHub. Impact type from CWE-94.

Summary

The Mustache pix helper contained a potential Mustache injection risk if combined with user input (note: This did not appear to be implemented/exploitable anywhere in the core Moodle LMS).

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01166 67th 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
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
—moodle4.1.0 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-q2x3-2f9g-h559
—moodle/moodle (Packagist)4.0.0 to before 4.0.74.0.7Patch availableGHSA-q2x3-2f9g-h559
—moodle/moodle (Packagist)3.11.0 to before 3.11.133.11.13Patch availableGHSA-q2x3-2f9g-h559
—moodle/moodle (Packagist)before 3.9.203.9.20Patch availableGHSA-q2x3-2f9g-h559
  • 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-q2x3-2f9g-h559
  • moodle/moodle (Packagist) Vendor— Affected 4.0.0 to before 4.0.7 Fixed in 4.0.7 Patch available GHSA-q2x3-2f9g-h559
  • moodle/moodle (Packagist) Vendor— Affected 3.11.0 to before 3.11.13 Fixed in 3.11.13 Patch available GHSA-q2x3-2f9g-h559
  • moodle/moodle (Packagist) Vendor— Affected before 3.9.20 Fixed in 3.9.20 Patch available GHSA-q2x3-2f9g-h559

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-q2x3-2f9g-h559 moodle/moodle (Packagist) Fixed in 4.1.2 Advisory →
  • Fix · GHSA-q2x3-2f9g-h559 moodle/moodle (Packagist) Fixed in 4.0.7 Advisory →
  • Fix · GHSA-q2x3-2f9g-h559 moodle/moodle (Packagist) Fixed in 3.11.13 Advisory →
  • Fix · GHSA-q2x3-2f9g-h559 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-2023-28333
  2. 2026-10-03 Alias added: GHSA-q2x3-2f9g-h559

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