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Medium · 6.1 CVE-2024-5139 EUVD-2024-55810GHSA-rh2p-8p77-h6xw

Cross-Site Scripting via Authentication Endpoint in Multiple WSO2 Products Enables UI Manipulation and Redirection

Published Oct 21, 2026 · Updated Oct 30, 2026 · Assigned by WSO2

Description

The Authentication Endpoint accepts user-supplied input without sufficient encoding, allowing for the injection of malicious JavaScript payloads. This vulnerability can be triggered by submitting crafted input to the Authentication Endpoint.

Successful exploitation allows an attacker to redirect the user's browser to a malicious website, modify the web page's user interface, or extract sensitive information from the browser. However, due to the `httpOnly` flag on session-related cookies, session hijacking is not possible.

Affected products

VendorProductAffectedFixed
WSO2 WSO2 Enterprise Integrator 6.6.0 – < 6.6.0.204 6.6.0.204
WSO2 WSO2 Identity Server 5.10.0 – < 5.10.0.310, 6.0.0 – < 6.0.0.212, 6.1.0 – < 6.1.0.195, 7.0.0 – < 7.0.0.64 5.10.0.310
WSO2 WSO2 API Manager 3.1.0 – < 3.1.0.286, 3.2.0 – < 3.2.0.376, 3.2.1 – < 3.2.1.10, 4.0.0 – < 4.0.0.299, 4.1.0 – < 4.1.0.159, 4.2.0 – < 4.2.0.91, 4.3.0 – < 4.3.0.6 3.1.0.286
WSO2 WSO2 Open Banking AM 2.0.0 – < 2.0.0.336 2.0.0.336
WSO2 WSO2 Identity Server as Key Manager 5.10.0 – < 5.10.0.306 5.10.0.306
WSO2 WSO2 Open Banking IAM 2.0.0 – < 2.0.0.357 2.0.0.357
WSO2 WSO2 Carbon User Management UI 5.14.127 – < 5.14.127.6, 5.17.5 – < 5.17.5.273, 5.17.118 – < 5.17.118.3, 5.18.187 – < 5.18.187.260, 5.18.248 – < 5.18.248.12, 5.23.8 – < 5.23.8.191, 5.24.8 – < 5.24.8.3, 5.25.92 – < 5.25.92.99, 5.25.705 – < 5.25.705.3, 7.0.78 – < 7.0.78.43 5.14.127.6

References