Vigil@nce - WordPress NextGEN Gallery: Cross Site Scripting of swfupload.swf
June 2013 by Vigil@nce
This bulletin was written by Vigil@nce : http://vigilance.fr/offer
SYNTHESIS OF THE VULNERABILITY
An attacker can trigger a Cross Site Scripting in swfupload.swf of
WordPress NextGEN Gallery, in order to execute JavaScript code in
the context of the web site.
– Impacted products: WordPress Plugins
– Severity: 2/4
– Creation date: 11/06/2013
DESCRIPTION OF THE VULNERABILITY
The plugin NextGEN Gallery is used to upload and show pictures.
However, it does not filter received data before inserting them in
generated HTML documents.
An attacker can therefore trigger a Cross Site Scripting in
swfupload.swf of WordPress NextGEN Gallery, in order to execute
JavaScript code in the context of the web site.
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