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GHSA-hc6q-2mpp-qw7j: Cross-realm object access in Webpack 5

Webpack 5 before 5.76.0 does not avoid cross-realm object access. ImportParserPlugin.js mishandles the magic comment feature. An attacker who controls a property of an untrusted object can obtain access to the real global object.

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Cross-realm object access in Webpack 5

High severity GitHub Reviewed Published Mar 13, 2023 to the GitHub Advisory Database • Updated Mar 14, 2023

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CVE-2023-28154: Comparing v5.75.0...v5.76.0 · webpack/webpack

Webpack 5 before 5.76.0 does not avoid cross-realm object access. ImportParserPlugin.js mishandles the magic comment feature. An attacker who controls a property of an untrusted object can obtain access to the real global object.