CVE-2023-6134mediumCWE-79

Keycloak: reflected xss via wildcard in oidc redirect_uri

13Vexday Risk Score

No sign of exploitation. No public exploitation artifact known so far.

ssvc Trackcvss 4.6epss 1.3%

exploitation probability

1.3%top 30% of all CVEs

observed exploitation

nono source reports it

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.

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N

Affected products

Red Hat · Red Hat build of Keycloak 22 Red Hat · Red Hat build of Keycloak 22.0.7 Red Hat · Red Hat Single Sign-On 7 Red Hat · Red Hat Single Sign-On 7.6 for RHEL 7 Red Hat · Red Hat Single Sign-On 7.6 for RHEL 8 Red Hat · Red Hat Single Sign-On 7.6 for RHEL 9 Red Hat · RHEL-8 based Middleware Containers Red Hat · Single Sign-On 7.6.6

References