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

SYNTHESIS OF THE VULNERABILITY

An attacker can trigger a Cross Site Scripting of WordPress
nextend-twitter-connect, in order to execute JavaScript code in
the context of the web site.

– Impacted products: WordPress Plugins not comprehensive.
– Severity: 2/4.
– Creation date: 24/06/2015.

DESCRIPTION OF THE VULNERABILITY

The nextend-twitter-connect plugin can be installed on WordPress.

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

An attacker can therefore trigger a Cross Site Scripting of
WordPress nextend-twitter-connect, in order to execute JavaScript
code in the context of the web site.

ACCESS TO THE COMPLETE VIGIL@NCE BULLETIN

http://vigilance.fr/vulnerability/WordPress-nextend-twitter-connect-Cross-Site-Scripting-17224