CVE-2020-1691
Moodle XSS Vulnerability
5.4
MEDIUM
CVSS 3.1
EPSS 0.71%
Description
In Moodle 3.8, messages required extra sanitizing before updating the conversation overview, to prevent the risk of stored cross-site scripting.
How to fix CVE-2020-1691
To remediate CVE-2020-1691, upgrade the affected package to a fixed version below.
- Bitnami/moodle—upgrade to 3.8.1 or later
- Packagist/moodle/moodle—upgrade to 3.8.1 or later
Is CVE-2020-1691 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 3.8.0, < 3.8.1
- >= 3.8, < 3.8.1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | MEDIUM5.4 | CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N |