Keycloak: reflected xss attack
21Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackcvss 8.1epss 1.1%
exploitation probability
1.1%top 36% of all CVEs
observed exploitation
nono source reports it
A reflected cross-site scripting (XSS) vulnerability was found in the 'oob' OAuth endpoint due to incorrect null-byte handling. This issue allows a malicious link to insert an arbitrary URI into a Keycloak error page. This flaw requires a user or administrator to interact with a link in order to be vulnerable. This may compromise user details, allowing it to be changed or collected by an attacker.
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Affected products
Red Hat · Red Hat Single Sign-On 7Red Hat · Red Hat Single Sign-On 7.6 for RHEL 7Red Hat · Red Hat Single Sign-On 7.6 for RHEL 8Red Hat · Red Hat Single Sign-On 7.6 for RHEL 9References
https://access.redhat.com/errata/RHSA-2023:1043https://access.redhat.com/errata/RHSA-2023:1044https://access.redhat.com/errata/RHSA-2023:1045https://access.redhat.com/errata/RHSA-2023:1049https://access.redhat.com/security/cve/CVE-2022-4137https://bugzilla.redhat.com/show_bug.cgi?id=2148496