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Cross-site Scripting occurrences in Iway Service Manager
The iWay Service Manager Console component of TIBCO Software Inc.'s TIBCO iWay Service Manager contains easily exploitable Reflected Cross Site Scripting (XSS) vulnerabilities that allow a low privileged attacker with network access to execute scripts targeting the affected system or the victim's local system. Affected releases are TIBCO Software Inc.'s TIBCO iWay Service Manager: versions 8.0.6 and below. (2022-08-02, CVE-2022-30571)
Why Cross-site Scripting can be dangerous
Cross site scripting is an attack where a web page executes code that is injected by an adversary. It usually appears, when users input is presented. This attack can be used to impersonate a user, take over control of the session, or even steal API keys.
The attack can be executed e.g. when you application injects the request parameter directly into the HTML code of the page returned to the user:
https://server.com/confirmation?message=Transaction+Complete
what results in:
<span>Confirmation: Transaction Complete</span>
In that case the message can be modified to become a valid Javascript code, e.g.:
https://server.com/confirmation?message=<script>dangerous javascript code here</script>
and it will be executed locally by the user's browser with full access to the user's personal application/browser data:
<span>Confirmation: <script>dangerous javascript code here</script></span>