Why is inline unsafe?

Why is inline unsafe?

Allowing inline styles makes you susceptible to a the “other XSS”. Cross Site Styling attacks. The idea here is that any places where a user can inject a style attribute into your document they can modify the appearance of your page any way they want.

How do you write an inline script?

Inline JavaScript can be achieved by using Script tag inside the body of the HTML, and instead of specifying the source(src=”…”) of the JavaScript file in the Script tag, we have to write all the JavaScript code inside the Script tag.

Is it safe to use unsafe-inline in CSP policy?

The unsafe-inline Content Security Policy (CSP) keyword allows the execution of inline scripts or styles. Except for one very specific case, you should avoid using the unsafe-inline keyword in your CSP policy. As you might guess it is generally unsafe to use unsafe-inline.

Are there security risks for allowing inline styles?

I am already not allowing inline scripts and unsafe-eval for scripts. Curious as to what security risks there are for allowing inline styles? Allowing inline styles makes you susceptible to a the “other XSS”. Cross Site Styling attacks.

Is it worth it to allow inline styles in CSP?

CSP style-src: ‘unsafe-inline’ – is it worth it? Currently I’m using Modernizr on all my sites and it turns out because of how it works it requires unsafe-inline styles to be allowed. I am already not allowing inline scripts and unsafe-eval for scripts. Curious as to what security risks there are for allowing inline styles?

Which is the best way to use unsafe inline JavaScript?

Besides just allowing inline script tags, unsafe-inline also allows all of the JavaScript event handlers to execute, for example code like this: Another way to allow such unsafe inline JavaScript code is with the unsafe-hashes source list keyword. While it is also considered unsafe, it better to use unsafe-hashes than it is to use unsafe-inline.