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The new Chinese owner of the popular Polyfill JS project injects malware into more than 100 thousand sites (sansec.io)

submitted 4 months ago* (last edited 4 months ago) by 0x815@feddit.org to c/technology@lemmy.world

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The polyfill.js is a popular open source library to support older browsers. 100K+ sites embed it using the cdn.polyfill.io domain. Notable users are JSTOR, Intuit and World Economic Forum. However, in February this year, a Chinese company bought the domain and the Github account. Since then, this domain was caught injecting malware on mobile devices via any site that embeds cdn.polyfill.io. Any complaints were quickly removed (archive here) from the Github repository.

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[-] 9point6@lemmy.world 1 points 4 months ago

Mate, actionscript was not only basically JavaScript with adobe vendor extensions, but it was literally a programming language! If that's not arbitrary code, then you've got a crazy definition of what is! You've kinda unequivocally demonstrated that you have no idea what you're talking about at this point, I'm afraid.

And way to completely misunderstand the evercookie. The flash part was how it could jump between browsers, no browser cookie can do that. It was a combination of everything that made it such a problem.

this post was submitted on 26 Jun 2024

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