I want to properly use Content Security Policy on my Wordpress site, but also not hardcode URIs. I am moving all my inline scripts to one file, and adding hashes to all script tags to use with Subresource Integrity. The ajax localization gives me a hard time; It runs PHP to get the JS file name, and outputs it inline
Tag: content-security-policy
adding nonce to script tag for 3rd party code that breaks ‘unsafe-eval’
We are using netlify-cms that unfortunately emits code that break CONTENT-SECURITY-POLICY ‘unsafe-eval’. I have tried adding nonce attributes to all the script tags using nginx sub_filter: I then add the nonce to the header also I can see that the nonces in the script tags and the header all match: header But I still get the error message: EvalError: Refused
Jinja2, JavaScript and CSP
I’ve been studying Flask and Jinja2 for a while now, and I notice that all the books and tutorials I’ve found put {% block js %} after {% block body %}. This appears to violate CSP which, as I understand it, dictates that all javascript code be in external files and that the <script> tags which include those files be
Content Security Policy: Should a CSP contain hashes for external scripts?
What I am unsure about I am wondering if the Content-Security-Policy header should/can contain hashes for external JavaScript files (aka, tags with a src attribute <script src=”foo.js”></script>). What I have tried In Chromium based browsers and Mozilla Firefox, my external scripts are blocked, even when including all of those scripts’ hashes in the Content-Security-Policy header: I have also tried My
CSP issues with javascript and css – password visibility toggle
I am currently working on some frontend development on a server. However when I try to add inline css and javascript for my password visibility toggle I keep getting the same CSP errors in google chrome. Refused to execute inline script because it violates the following Content Security Policy directive: “script-src ‘self’ ‘unsafe-eval’ ssl.google-analytics.com The code I have tried :
Why is bookmarklet script blocked? Webpage CSP seems ok
I have a bookmarklet. When the user clicks the bookmarklet, it inserts a tiny snippet of code. This code inserts a script element, which in turn gets the actual script that does the work. This works on most websites, but some websites block scripts via their content-security-policy. For example, they might have However, there are some websites where the script
Jquery +datatables causing CSP errors for inline style
I have been trying to get rid of the unsafe-inline from the CSP style-src headers as it is vulnerable. While removing this, I am getting below errors in jQuery execution in chrome: Refused to apply inline style because it violates the following Content Security Policy directive: “style-src ‘self’ ‘nonce-TXYxR0tlamZ1emk2a3Y4RHFwdTdTZ0JaR1R2TTdEaUk=’ ‘unsafe-eval’ “. Either the ‘unsafe-inline’ keyword, a hash (‘sha256-Z0MkpGRk0/9QW+7eJ/G1D//1i6WKVbat+HlIwkiFln4=’), or a
Cannot load jQuery because it violates Content Security Policy [closed]
Closed. This question needs debugging details. It is not currently accepting answers. Edit the question to include desired behavior, a specific problem or error, and the shortest code necessary to reproduce the problem. This will help others answer the question. Closed 2 years ago. Improve this question I wrote a server on node + express. Prepared the page for rendering,
Helmet Content Security Policy Global Path not working
I am using Helmet to set up the content security policies of my web app in the backend using Express. The policies look like the following: When my app tries to access a link such as https://maxcdn.bootstrapcdn.com/bootstrap/3.4.0/css/bootstrap.min.css. It says that it violates the styleSrc policy. But I have specified as one of the policies that https://maxcdn.bootstrapcdn.com/bootstrap is allowed, I thought
This document requires ‘TrustedScriptURL’ assignment
After adding require-trusted-types-for ‘script’; in my Content-Security-Policy header, which introduced from Chrome 83 Beta to help lock down DOM XSS injection sinks, when I open my website, it becomes a blank page. I got many these three kinds of errors in my console. (Chrome version 83.0.4103.61) This document requires ‘TrustedScript’ assignment. This document requires ‘TrustedScriptURL’ assignment. TypeError: Failed to set