TI-2018-01050 Aliases CVE-2018-1133 GHSA-xh2j-q4mc-v522

Code injection in Moodle 3.x unknown

MEDIUM 62CWE-94Published 2018-05-25 · Updated 2024-08-05

Key facts

Attack vector: Network
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Code execution
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-94.

Summary

An issue was discovered in Moodle 3.x. A Teacher creating a Calculated question can intentionally cause remote code execution on the server, aka eval injection.

Why it matters now

EPSS 0.30811 98th percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by the CNA and NVD

Fix Fixed moodle/moodle (Packagist): 3.1.12, 3.2.9, 3.3.6 +1

SSVC decision points

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

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	Moodle 3.x unknown	Moodle 3.x unknown	—	No fix listed	CNA
—	moodle/moodle (Packagist)	3.1 to before 3.1.12	3.1.12	Patch available	GHSA-xh2j-q4mc-v522
—	moodle/moodle (Packagist)	3.2 to before 3.2.9	3.2.9	Patch available	GHSA-xh2j-q4mc-v522
—	moodle/moodle (Packagist)	3.3 to before 3.3.6	3.3.6	Patch available	GHSA-xh2j-q4mc-v522
—	moodle/moodle (Packagist)	3.4 to before 3.4.3	3.4.3	Patch available	GHSA-xh2j-q4mc-v522

Moodle 3.x unknown Vendor— Affected Moodle 3.x unknown Fixed in — No fix listed CNA
moodle/moodle (Packagist) Vendor— Affected 3.1 to before 3.1.12 Fixed in 3.1.12 Patch available GHSA-xh2j-q4mc-v522
moodle/moodle (Packagist) Vendor— Affected 3.2 to before 3.2.9 Fixed in 3.2.9 Patch available GHSA-xh2j-q4mc-v522
moodle/moodle (Packagist) Vendor— Affected 3.3 to before 3.3.6 Fixed in 3.3.6 Patch available GHSA-xh2j-q4mc-v522
moodle/moodle (Packagist) Vendor— Affected 3.4 to before 3.4.3 Fixed in 3.4.3 Patch available GHSA-xh2j-q4mc-v522

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:moodle:moodle::::::::	3.1.0 – 3.1.11; 3.2.0 – 3.2.8; 3.3.0 – 3.3.5; 3.4.0 – 3.4.2	Vulnerable	Moodle

cpe:2.3:a:moodle:moodle:*:*:*:*:*:*:*:* Versions 3.1.0 – 3.1.11; 3.2.0 – 3.2.8; 3.3.0 – 3.3.5; 3.4.0 – 3.4.2 Vulnerable ·Moodle

Remediation

Fix · GHSA-xh2j-q4mc-v522 moodle/moodle (Packagist) Fixed in 3.1.12 Advisory →
Fix · GHSA-xh2j-q4mc-v522 moodle/moodle (Packagist) Fixed in 3.2.9 Advisory →
Fix · GHSA-xh2j-q4mc-v522 moodle/moodle (Packagist) Fixed in 3.3.6 Advisory →
Fix · GHSA-xh2j-q4mc-v522 moodle/moodle (Packagist) Fixed in 3.4.3 Advisory →

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2018-1133
2026-10-03 Alias added: GHSA-xh2j-q4mc-v522

References

Other 2

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

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences