CVE-2021-36403
Moodle has a Hidden Functionality vulnerability
5.3
MEDIUM
CVSS 3.1
EPSS 0.30%
Description
In Moodle, in some circumstances, email notifications of messages could have the link back to the original message hidden by HTML, which may pose a phishing risk.
How to fix CVE-2021-36403
To remediate CVE-2021-36403, upgrade the affected package to a fixed version below.
- Bitnami/moodle—upgrade to 3.9.8 or later
- —upgrade to 3.11.1 or later
Is CVE-2021-36403 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 3.9.8, >= 3.10.0, < 3.10.5, >= 3.11.0, < 3.11.1
- >= 3.11.0-beta, < 3.11.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N |