CVE-2021-20323
Cross-site Scripting in Keycloak
6.1
MEDIUM
CVSS 3.1
EPSS 66.1%
Description
A POST based reflected Cross Site Scripting vulnerability on has been identified in Keycloak version 15. The issue was fixed in version 17.0.0.
How to fix CVE-2021-20323
To remediate CVE-2021-20323, upgrade the affected package to a fixed version below.
- Maven/org.keycloak:keycloak-core—upgrade to 17.0.0 or later
Is CVE-2021-20323 being exploited?
Likely — EPSS is 66.1%, placing CVE-2021-20323 in the top tier of vulnerabilities by exploitation probability. Prioritise patching.
Affected packages (1)
- >= 15.0.0, < 17.0.0
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 |