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allowing style attribute is not safe #32

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espretto opened this issue Jul 29, 2022 · 1 comment
Open

allowing style attribute is not safe #32

espretto opened this issue Jul 29, 2022 · 1 comment

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@espretto
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CSS can be harmful and must be sanitized w/ e.g. cssfilter. It is not a safe default setting to allow the style attribute.

html5parser/src/safeHtml.ts

Line 95 in cc95ffc

allowedAttrs: ['style'],

@acrazing
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Can you specifically explain why css is not safe? It means that it will lead to disordered page styles?

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@espretto @acrazing