CVE-2020-25631
Moodle Cross-site Scripting (XSS)
6.1
MEDIUM
CVSS 3.1
EPSS 0.34%
Description
A vulnerability was found in Moodle 3.9 to 3.9.1, 3.8 to 3.8.4 and 3.7 to 3.7.7 where it was possible to include JavaScript in a book's chapter title, which was not escaped on the "Add new chapter" page. This is fixed in 3.9.2, 3.8.5 and 3.7.8.
How to fix CVE-2020-25631
To remediate CVE-2020-25631, upgrade the affected package to a fixed version below.
- Bitnami/moodle—upgrade to 3.7.8 or later
- —upgrade to 3.9.2 or later
Is CVE-2020-25631 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- >= 3.7.0, < 3.7.8, >= 3.8.0, < 3.8.5, >= 3.9.0, < 3.9.2
- >= 3.9, < 3.9.2
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 |