CVE-2020-8421
6.1
MEDIUM
CVSS 3.1
EPSS 2.1%
Description
An issue was discovered in Joomla! before 3.9.15. Inadequate escaping of usernames allows XSS attacks in com_actionlogs.
How to fix CVE-2020-8421
To remediate CVE-2020-8421, upgrade the affected package to a fixed version below.
- Bitnami/joomla—upgrade to 3.9.14 or later
Is CVE-2020-8421 being exploited?
Low — EPSS is 2.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 3.9.0, < 3.9.14
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 |