RCE in Moodle
CVE-2023-28333
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).
Vulnerability class: RCE (Remote Code Execution)
EPSS: 0.012 (63.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Moodle — versions 3.9.0, 3.11.0, 4.0.0
- Fedoraproject Fedora — versions 36
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patrick@puiterwijk.org (x_refsource_REDHAT, issue-tracking)
- patrick@puiterwijk.org (vendor-advisory)
- patrick@puiterwijk.org (Patch, Vendor Advisory)
Frequently asked questions
- What is CVE-2023-28333?
- CVE-2023-28333 is a critical-severity vulnerability in Moodle, classified under Code Injection. CVSS score: 9.8/10. Published 2023-03-23.
- How severe is CVE-2023-28333?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2023-28333 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.