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Vigil@nce - Joomla Kunena: Cross Site Scripting

January 2019 by Vigil@nce

This bulletin was written by Vigil@nce : https://vigilance.fr/offer

SYNTHESIS OF THE VULNERABILITY

An attacker can trigger a Cross Site Scripting of Joomla Kunena,
in order to run JavaScript code in the context of the web site.

Impacted products: Joomla Extensions not comprehensive.

Severity: 2/4.

Consequences: client access/rights.

Provenance: document.

Confidence: confirmed by the editor (5/5).

Creation date: 21/11/2018.

DESCRIPTION OF THE VULNERABILITY

The Kunena extension can be installed on Joomla.

However, it does not filter received data before inserting them in
generated HTML documents.

An attacker can therefore trigger a Cross Site Scripting of Joomla
Kunena, in order to run JavaScript code in the context of the web
site.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

https://vigilance.fr/vulnerability/Joomla-Kunena-Cross-Site-Scripting-27860


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