CVE-2022-4137

Keycloak: reflected xss attack

Published Sep 25, 2023 CVSS 3.1 · 8.1 High EPSS 1.2% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2023-0968 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.
Github GHSA Github GHSA GHSA-9hhc-pj4w-w5rv Keycloak Cross-site Scripting on OpenID connect login service
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
redhat
Published
Updated
Aug 3, 2024, 1:27 AM
Reserved
Nov 24, 2022, 2:10 PM
Status
Modified
Published
Sep 25, 2023, 8:15 PM
Modified
Jun 17, 2026, 5:20 AM
Severity
Important
Public date
Mar 1, 2023, 1:56 PM