Headline
GHSA-cvg2-7c3j-g36j: Keycloak vulnerable to reflected XSS via wildcard in OIDC redirect_uri
Keycloak prevents certain schemes in redirects, but permits them if a wildcard is appended to the token. This could permit an attacker to submit a specially crafted request leading to XSS or possibly further attacks.
Keycloak vulnerable to reflected XSS via wildcard in OIDC redirect_uri
Moderate severity GitHub Reviewed Published Dec 18, 2023 in keycloak/keycloak • Updated Dec 18, 2023
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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.