Summary
Stored Cross-Site Scripting (XSS) in Keycloak via groups dropdown
A Stored XSS vulnerability was reported in the Keycloak Security mailing list, affecting all the versions of Keycloak, including the latest release (16.0.1). The vulnerability allows a privileged attacker to execute malicious scripts in the admin console, abusing of the groups' dropdown functionality.
References
- Please refer to the Keycloak Security mailing list for more information.
Impact
Successful attacks of this vulnerability can result a privileged attacker to load a XSS script, and steal data from other users. The impact can be considered moderate to low, considering privileged credentials are required.
Affected versions
Security releases
Kodem intelligence
Severity tells you how bad this could be in the worst case. It does not tell you whether you are exposed. Exploitability and impact are functions of runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A vulnerable package can sit in your dependency tree and never run.
Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter. Kodem's runtime-powered SCA identifies whether this CVE is reachable in your applications.
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Kodem Kai can prioritize this vulnerability in your dependency tree and generate a fix recommendation.
Frequently Asked Questions
- What is GHSA-755V-R4X4-QF7M? GHSA-755V-R4X4-QF7M is a medium-severity security vulnerability in org.keycloak:keycloak-core (maven), affecting versions < 20.0.0. It is fixed in 20.0.0.
- Which versions of org.keycloak:keycloak-core are affected by GHSA-755V-R4X4-QF7M? org.keycloak:keycloak-core (maven) versions < 20.0.0 is affected.
- Is there a fix for GHSA-755V-R4X4-QF7M? Yes. GHSA-755V-R4X4-QF7M is fixed in 20.0.0. Upgrade to this version or later.
- Is GHSA-755V-R4X4-QF7M exploitable, and should I be worried? Whether GHSA-755V-R4X4-QF7M is exploitable in your environment depends on whether the vulnerable code is present and reachable. A CVSS score is a worst-case rating; it does not account for your specific deployment, configuration, or usage patterns. Kodem, an Intelligent Application Security platform, uses runtime intelligence to show which vulnerabilities actually execute in production, so you can focus on the ones that represent real risk. Get a demo
- What actually determines whether GHSA-755V-R4X4-QF7M is exploitable, and how bad it is? Exploitability and impact are not fixed properties of a CVE. They depend on runtime truth: whether the vulnerable code is present, reachable, and actually executes in your application. A high CVSS score on a dependency that never runs is not the same as real risk. Kodem, an Intelligent Application Security platform, uses runtime intelligence to reveal which vulnerabilities actually execute in production, so teams prioritize the ones that genuinely matter.
- How do I fix GHSA-755V-R4X4-QF7M? Upgrade
org.keycloak:keycloak-coreto 20.0.0 or later.