CVE-2021-23124
[20210102] - Core - XSS in mod_breadcrumbs aria-label attribute
6.1
MEDIUM
CVSS 3.1
EPSS 1.6%
Description
An issue was discovered in Joomla! 3.9.0 through 3.9.23. The lack of escaping in mod_breadcrumbs aria-label attribute allows XSS attacks.
How to fix CVE-2021-23124
No fixed version has been published yet. Mitigate by removing the affected package or applying upstream guidance from the references below.
- Bitnami/joomla—no fix listed
Is CVE-2021-23124 being exploited?
Low — EPSS is 1.6%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- >= 3.9.0, <= 3.9.23
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 |