fix(core): Sandbox HTML binary files in viewing mode #14350
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Codecov ReportAttention: Patch coverage is
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guillaumejacquart
previously approved these changes
Apr 2, 2025
n8n-assistant
bot
added
core
n8n
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| Project |
n8n
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| Branch Review |
SEC-244-fix-xss-in-rundata
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| Run status |
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| Run duration | 03m 39s |
| Commit |
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| Committer | कारतोफ्फेलस्क्रिप्ट™ |
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| Test results | |
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Failures
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0
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Flaky
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1
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Pending
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5
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Skipped
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0
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Passing
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475
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| View all changes introduced in this branch ↗︎ | |
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✅ All Cypress E2E specs passed |
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Got released with |
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Summary
When a binary data file's view url is opened directly in a browser tab/window, if the file is HTML, it can be used to perform XSS attacks. This PR fixes that vulnerability by sandboxing such files using CSP.
Related Linear tickets, Github issues, and Community forum posts
https://linear.app/n8n/issue/SEC-244
Review / Merge checklist
release/backport(if the PR is an urgent fix that needs to be backported)