Stored cross-site scripting in Keycloak - CVE-2020-1697

 

Stored cross-site scripting in Keycloak - CVE-2020-1697

Published: February 17, 2020


Vulnerability identifier: #VU25396
CSH Severity: Low
CVSS v4: 5.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N]
CVE-ID: CVE-2020-1697
CWE-ID: CWE-79
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The disclosed vulnerability allows a remote attacker to perform cross-site scripting (XSS) attacks.

The vulnerability exists due to insufficient sanitization of user-supplied data in client settings. A remote authenticated attacker can permanently inject and execute arbitrary HTML and script code in user's browser in context of vulnerable website via Application Links.

Successful exploitation of this vulnerability may allow a remote attacker to steal potentially sensitive information, change appearance of the web page, perform phishing and drive-by-download attacks.


Affected software

Keycloak

How to mitigate CVE-2020-1697

Install update from vendor's website.

Keycloak - update to 8.0.2

External References

Related Security Bulletins