Stored Cross-Site Scripting (XSS) in Keycloak via groups dropdown
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- Cross-site scripting
- Confidentiality · integrity · availability
- —
- Fix status
- Fixed
No CVSS vector from any source. Fix status from GitHub. Impact type from CWE-80.
Summary
### Summary 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. ### 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. ### References - Please refer to the Keycloak Security mailing list for more information.
Why it matters now
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | org.keycloak:keycloak-core (Maven) | before 20.0.0 | 20.0.0 | Patch available | GHSA-755v-r4x4-qf7m |
- org.keycloak:keycloak-core (Maven) Vendor— Affected before 20.0.0 Fixed in 20.0.0 Patch available GHSA-755v-r4x4-qf7m
Remediation
- Fix · GHSA-755v-r4x4-qf7m org.keycloak:keycloak-core (Maven) Fixed in 20.0.0 Advisory →
Timeline
- 2026-10-03 Threatist record created from GHSA-755v-r4x4-qf7m
References
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences