Vulnerability in Moodle
CVE-2023-23923
The vulnerability was found Moodle which exists due to insufficient limitations on the "start page" preference. A remote attacker can set that preference for another user. The vulnerability allows a remote attacker to gain unauthorized access to otherwise restricted functionality.
EPSS: 0.010 (57.8th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 8.2 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N.
Affected products
- Moodle — versions 4.1.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- patrick@puiterwijk.org (Patch)
- patrick@puiterwijk.org (Third Party Advisory, Issue Tracking)
- patrick@puiterwijk.org (Vendor Advisory)
Frequently asked questions
- What is CVE-2023-23923?
- CVE-2023-23923 is a high-severity vulnerability in Moodle, classified under Improper Access Control. CVSS score: 8.2/10. Published 2023-02-17.
- How severe is CVE-2023-23923?
- High severity. CVSS v3 base score is 8.2 out of 10.
- Is CVE-2023-23923 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.