CVE-2021-27902
Craft CMS Cross-site Scripting Vulnerability
6.1
MEDIUM
CVSS 3.1
EPSS 0.42%
Description
An issue was discovered in Craft CMS before 3.6.0. In some circumstances, a potential XSS vulnerability existed in connection with front-end forms that accepted user uploads.
How to fix CVE-2021-27902
To remediate CVE-2021-27902, upgrade the affected package to a fixed version below.
- Packagist/craftcms/cms—upgrade to 3.6.0 or later
Is CVE-2021-27902 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 3.6.0
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 |