CVE-2021-20195
Critical
Description
A flaw was found in keycloak in versions before 13.0.0. A Self Stored XSS attack vector escalating to a complete account takeover is possible due to user-supplied data fields not being properly encoded and Javascript code being used to process the data. The highest threat from this vulnerability is to data confidentiality and integrity as well as system availability.
SeverityCritical
CVSS9.6
Exploit probability—
Product
Redhat Keycloak
PublishedMay 28, 2021
First seenMay 28, 2021
Weakness typeCWE-20Improper input validation
How to fix
Update
- redhat keycloak12.0.3 or later
- org.keycloak:keycloak-core13.0.0 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| redhat keycloak | v < 12.0.3 | 12.0.3 |
| org.keycloak:keycloak-coreMaven | v < 13.0.0 | 13.0.0 |
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