CVE-2021-36393
CriticalPublished
In Moodle, an SQL injection risk was identified in the library fetching a user's recent courses.
- Published
- Mar 6, 2023
- Updated
- Mar 6, 2025
- Assigning CNA
- fedora
- Evidence observed
- Aug 8, 2026
Primary CVSS
9.8/ 10Critical
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H52.3%
High · next 30 days
- Percentile
- 98.9%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Summary
In Moodle, an SQL injection risk was identified in the library fetching a user's recent courses.
Sources
2- CVE-2021-36393Exploit
Error-based blind SQL injection with bit-shifting approach for Moodle 3.10.4
This script demonstrates a time-based blind SQL injection on Moodle platforms, exploiting response delays to extract data.
Responsible use
Use vulnerability information only on systems you own or are authorized to test. Kitploit links to public research metadata and does not store exploit code or malicious payloads.