Users of the Internet browser Firefox are currently threatened by a vulnerability that is actively exploited already. Mozilla's developers point out in its security blog. Affected accordingly, the Firefox version 3.5 and 3.6. Several security companies have already come up to Mozilla to make the security issue to the attention to. So it is possible to manipulate web pages that a Trojan infects computers through which the malicious page is controlled.

Known example is the hack the website of the Nobel Peace Prize. Mozilla warns that although the site in the integrated malware Firefox security solution will be blocked by now, it could not be excluded, however, that there are similar malicious websites. An update is, according to the browser-specialists already in the works and will as soon as possible after the completion of already initiated test runs for all Firefox users download per-release or update the car to be distributed. The vulnerability is fixed up, will come to the function to disable JavaScript in Firefox and a special No Script add-on to install.