More than three million web pages have been compromised with malware as part of a mass IFRAME injection attack targeting unpatched versions of the open source e-commerce framework, OSCommerce, researchers at web application security firm Armorize have warned. The attack, which appears to originate in the Ukraine, has affected 3.8 million sites, which are running OSCommerce version 2.2 and earlier. Those who visit an affected site are pointed to the malicious domains willysy.com or exero.eu. After a series of redirects, users end up at a domain that attempts to exploit multiple web browser and PDF vulnerabilities, and install a variant of SpyEye.
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