Trojanized jQuery Packages Found on npm, GitHub, and jsDelivr Code Repositories
Jul 09, 2024
Supply Chain Attack / Web Security
Unknown threat actors have been found propagating trojanized versions of jQuery on npm, GitHub, and jsDelivr in what appears to be an instance of a "complex and persistent" supply chain attack. "This attack stands out due to the high variability across packages," Phylum said in an analysis published last week. "The attacker has cleverly hidden the malware in the seldom-used ' end ' function of jQuery, which is internally called by the more popular ' fadeTo ' function from its animation utilities." As many as 68 packages have been linked to the campaign. They were published to the npm registry starting from May 26 to June 23, 2024, using names such as cdnjquery, footersicons, jquertyi, jqueryxxx, logoo, and sytlesheets, among others. There is evidence to suggest that each of the bogus packages were manually assembled and published due to the sheer number of packages published from various accounts, the differences in naming conventi