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Introduce sandbox=strict

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Rohan Kumar 2024-04-08 23:49:08 -04:00
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content/meta/csp-bug-reproduction.md
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@ -68,16 +68,17 @@ Try reproducing the bug on the following pages:
2. [This page's canonical location](https://seirdy.one/meta/csp-bug-reproduction/). 2. [This page's canonical location](https://seirdy.one/meta/csp-bug-reproduction/).
3. [My homepage](https://seirdy.one/) 3. [My homepage](https://seirdy.one/)
4. [This page, but with an empty `sandbox` directive](https://seirdy.one/meta/csp-bug-reproduction/?sandbox=strict) 4. [This page, but with an empty `sandbox` directive](https://seirdy.one/meta/csp-bug-reproduction/?sandbox=strict)
4. [This page, but with a maximally strict CSP that breaks images, CSS, and more](https://seirdy.one/meta/csp-bug-reproduction/?sandbox=broken)
Note the following: Note the following:
- If you can reproduce the bug on all four pages: the offending directives include a fetch directive. - If you can reproduce the bug on all five pages: the offending directives include a fetch directive.
- If you can reproduce the bug on all pages _except_ the third or fourth: the offending directive is probably a `sandbox` directive's `allow-scripts` or `allow-same-origin` parameter, respectively. - If you can reproduce the bug on all pages _except_ the third or fourth: the offending directive is probably a `sandbox` directive's `allow-scripts` or `allow-same-origin` parameter, respectively.
- If you can reproduce the bug on the second page but cannot reproduce the bug on the first page, [a different missing `sandbox` parameter](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/sandbox) is probably the culprit. - If you can reproduce the bug on the second page but cannot reproduce the bug on the first page, [a different missing `sandbox` parameter](https://developer.mozilla.org/en-US/docs/Web/HTTP/Headers/Content-Security-Policy/sandbox) is probably the culprit.
- If you can only reproduce the bug on my 404 page: the offending directive is `sandbox` without `allow-same-origin`. - If you can only reproduce the fourth and fifth page: the offending directive is `sandbox` without `allow-same-origin`.
Other places to test Other places to test
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