Everyone can probably agree that pop-ups are nothing but a big pain in the butt. Accompanied with some specific code though, and you are looking at a way for hackers to gain access to your files. While 1.5.0.9 seems to be the primary version of Firefox that has this vulnerability, other versions might have it as well.

A vulnerability in Firefox’s popup blocker software creates a means to read files from affected systems, security researchers warn.

The flaw, coupled with some tricksy coding, establishes a mechanism for hackers to read user-accessible files on vulnerable system, thereby creating a means to swipe sensitive information. Firefox version 1.5.0.9 is known to be exposed to the exploit. Other versions of the popular web surfing package might also be affected.[more]

Tags: Hackers