CVE-2023-28331
Moodle vulnerable to Cross-site Scripting
6.1
MEDIUM
CVSS 3.1
EPSS 0.89%
Description
Content output by the database auto-linking filter required additional sanitizing to prevent an XSS risk.
How to fix CVE-2023-28331
To remediate CVE-2023-28331, upgrade the affected package to a fixed version below.
- Bitnami/moodle—upgrade to 3.9.20 or later
- Packagist/moodle/moodle—upgrade to 4.1.2 or later
Is CVE-2023-28331 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 3.9.0, < 3.9.20, >= 3.11.0, < 3.11.13, >= 4.0.0, < 4.0.7, >= 4.1.0, < 4.1.2
- >= 4.1.0, < 4.1.2
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |