CVE-2023-23923
Moodle: possible to set the preferred "start page" of other users
8.2
HIGH
CVSS 3.1
EPSS 0.32%
Description
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.
How to fix CVE-2023-23923
To remediate CVE-2023-23923, upgrade the affected package to a fixed version below.
- —upgrade to 3.9.19 or later
- —upgrade to 3.9.19 or later
Is CVE-2023-23923 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 3.9.0, < 3.9.19, >= 3.11.0, < 3.11.12, >= 4.0.0, < 4.0.6, >= 4.1.0, < 4.1.1
- from 0, < 3.9.19
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.2 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:L/A:N |