Knowage Cross-site Scripting

Knowage is an open source suite for modern business analytics alternative over big data systems. KnowageLabs / Knowage-Server starting with the 6.x branch and prior to versions 7.4.22, 8.0.9, and 8.1.0 is vulnerable to cross-site scripting because the `XSSRequestWrapper::stripXSS` method can be bypassed. Versions 7.4.22, 8.0.9, and 8.1.0 contain patches for this issue. There are no known workarounds. (2022-10-13, CVE-2022-39295)

Knowage Suite 7.3 is vulnerable to Stored Cross-Site Scripting (XSS). An attacker can inject arbitrary web script in '/knowage/restful-services/documentnotes/saveNote' via the 'nota' parameter. (2021-05-12, CVE-2021-30212)

Knowage Suite 7.3 is vulnerable to Stored Cross-Site Scripting (XSS). An attacker can inject arbitrary web script in '/knowage/restful-services/signup/update' via the 'surname' parameter. (2021-05-12, CVE-2021-30211)

Knowage Suite 7.3 is vulnerable to unauthenticated reflected cross-site scripting (XSS). An attacker can inject arbitrary web script in '/servlet/AdapterHTTP' via the 'targetService' parameter. (2021-05-12, CVE-2021-30213)

Knowage Suite before 7.4 is vulnerable to cross-site scripting (XSS). An attacker can inject arbitrary external script in '/knowagecockpitengine/api/1.0/pages/execute' via the 'SBI_HOST' parameter. (2021-04-05, CVE-2021-30058)

Knowage Suite before 7.4 is vulnerable to reflected cross-site scripting (XSS). An attacker can inject arbitrary web script in /restful-services/publish via the 'EXEC_FROM' parameter that can lead to data leakage. (2021-04-05, CVE-2021-30056)

In Knowage through 6.1.1, there is XSS via the start_url or user_id field to the ChangePwdServlet page. (2019-08-28, CVE-2019-13189)

Knowage (formerly SpagoBI) 6.1.1 allows XSS via the name field to the "Business Model's Catalogue" catalogue. (2018-06-13, CVE-2018-12353)

Knowage (formerly SpagoBI) 6.1.1 allows XSS via the name or description field to the "Olap Schemas' Catalogue" catalogue. (2018-06-13, CVE-2018-12355)

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>