In short
- CVE-2022-4137 is a MEDIUM (CVSS 6.1) vulnerability affecting org.keycloak:keycloak-parent, single sign-on (redhat).
- Chance of exploitation in the next 30 days (EPSS): 1.2%, higher than 68.0% of all vulnerabilities.
- Fix: update to 20.0.5 or later.
Description
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.
NVD description
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.
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