Magento Loader on 953 Stores Shows Scanners a Blank Page
Sansec found a JavaScript loader in Magento CMS blocks on 953 stores since July 2025; the newest version fingerprints visitors so scanners see nothing, and PolyShell is the main way in.
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Sansec found a JavaScript loader in Magento CMS blocks on 953 stores since July 2025; the newest version fingerprints visitors so scanners see nothing, and PolyShell is the main way in.
Sansec says a Brazilian Magecart group planted a card skimmer in the Plausible analytics script every Convertr store loads, exposing checkouts at dozens of fashion brands Oct. 24 to 27.