css-snap-target-polyfill

{"modified":"2026-10-04T23:15:33Z","published":"2026-10-04T23:15:33Z","schema_version":"1.7.4","id":"MAL-2026-17487","summary":"Malicious code in css-snap-target-polyfill (npm)","details":"\n---\n_-= Per source details. Do not edit below this line.=-_\n\n## Source: amazon-inspector (00c104d427125b4acf88ecb83a58d563507b23bcb716cb87fbf7fc953d816d42)\nThe package ships thunderboltRegistry.js, which uses child_process and process.platform to collect host information and POSTs it via fetch() to the hardcoded external endpoint http://dxpoc.gt.tc. The destination is unrelated to any CSS polyfill functionality the package name advertises, is served over cleartext HTTP, and is not caller-configurable. This behavior does not correspond to the declared purpose of a CSS snap-target polyfill, which has no legitimate need to execute shell commands or beacon host details to a third-party domain.\n","affected":[{"package":{"ecosystem":"npm","name":"css-snap-target-polyfill"},"versions":["1.0.0"],"database_specific":{"cwes":[{"cweId":"CWE-506","description":"The product contains code that appears to be malicious in nature.","name":"Embedded Malicious Code"}],"indicators":{"evidence_files":[{"path":"thunderboltRegistry.js","sha256":"a485cb48081ea590cab385a405886cfe6f30af7d415f30bc8d7937ace461b928","tlsh":"e87154a5b99df02065c33438cb7f4049b4bbc6672d6caee0744899b01f7985c01be6f8"}],"package_integrity":[{"filename":"css-snap-target-polyfill-1.0.0.tgz","hashes":{"sha1":"720073d7726d9d8f5a3ed04a2ac288edd0d0b560","sha512_sri":"sha512-/XPntM9AYq8PMebtgxW19QPWjcMwRiwYrNW4U4CeScbV8vzCc46oFedyzM+t5Y4KnCCG86InDZzqKrhwsQl5GA=="}}]}}}],"references":[{"type":"PACKAGE","url":"https://www.npmjs.com/package/css-snap-target-polyfill/v/1.0.0"}],"credits":[{"name":"Amazon Inspector","type":"FINDER","contact":["inspector-research@amazon.com"]}],"database_specific":{"malicious-packages-origins":[{"id":"IN-MAL-2026-020894","import_time":"2026-10-04T23:16:30.907131478Z","modified_time":"2026-10-04T23:15:33Z","sha256":"00c104d427125b4acf88ecb83a58d563507b23bcb716cb87fbf7fc953d816d42","source":"amazon-inspector","versions":["1.0.0"]}]}}