CVE-2026-2971
MEDIUMCVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:L/A:N
Lifecycle Timeline
3Description
A vulnerability was found in a466350665 Smart-SSO up to 2.1.1. Affected by this issue is some unknown functionality of the file smart-sso-server/src/main/resources/templates/login.html of the component Login. Performing a manipulation of the argument redirectUri results in cross site scripting. The attack is possible to be carried out remotely. The exploit has been made public and could be used. The vendor was contacted early about this disclosure but did not respond in any way.
Analysis
Smart SSO up to version 2.1.1 contains a reflected cross-site scripting vulnerability in the login page's redirectUri parameter that allows unauthenticated remote attackers to execute arbitrary JavaScript in users' browsers. Public exploit code exists for this vulnerability, and the vendor has not released a patch despite early disclosure notification.
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Remediation
Within 30 days: Identify affected systems running a466350665 Smart-SSO and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.
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External POC / Exploit Code
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