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Firefox exploit targets zero day vulns
Warning as malicious script goes feral
Security researchers have discovered two unpatched vulnerabilities in Firefox, the popular alternative web browser. The security bugs affect even the latest version of Firefox (version 1.0.3) and create a means for attackers to seize control of vulnerable systems using cross-site scripting attacks.
A combination of the two vulnerabilities can be exploited to execute arbitrary code on vulnerable systems, according to Danish security firm Secunia. Exploit code is publicly available greatly increasing the chance of attack, it warns. The vulnerabilities - described by Secunia as "extremely critical" - have been confirmed in version 1.0.3 of Firefox. Other versions may also be affected.
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