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CVSS Score
-| Package Name | Ecosystem | Vulnerable Versions | First Patched Version |
|---|---|---|---|
| jsdom | npm | <= 16.4.0 | 16.5.0 |
The vulnerability stems from JSDom's resource loading mechanism when configured with {resources: "usable"}. The stack trace in Tenable's example shows resource-queue.js and per-document-resource-loader.js are directly involved in processing file:// requests. These functions handle resource loading at the implementation level but lack granular access control to block local resources despite being in a security-sensitive context. The maintainers' own dispute confirms the explicit opt-in nature of this behavior, which matches the described vulnerability pattern of insufficient access control granularity.