CVE-2023-6134
MEDIUM severity · CVSS 4.6 · Cross-site scripting (XSS)
4.6CVSS MEDIUM
Summary
A flaw was found in Keycloak that prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This issue could allow an attacker to submit a specially crafted request leading to cross-site scripting (XSS) or further attacks. This flaw is the result of an incomplete fix for CVE-2020-10748.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredLow
User interactionRequired
Confidentiality impactLow
Integrity impactLow
Availability impactNone
Exploit probability (EPSS)1%
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Affected products we track (3)
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://access.redhat.com/errata/RHSA-2023:7854Advisory
- https://access.redhat.com/errata/RHSA-2023:7855Advisory
- https://access.redhat.com/errata/RHSA-2023:7856Advisory
- https://access.redhat.com/errata/RHSA-2023:7857Advisory
- https://access.redhat.com/errata/RHSA-2023:7858Advisory
- https://access.redhat.com/errata/RHSA-2023:7860Advisory
- https://access.redhat.com/errata/RHSA-2023:7861Advisory
- https://access.redhat.com/errata/RHSA-2024:0798