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I have an angular 6 application where Content Security Policy headers are applied via a meta tag.
On one of the pages there is an iframe for which those headers should not be applied.
For some reason parent CSP headers are … Continue reading Prevent iframe from inheriting CSP headers
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Style attribute XSS without quotes
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This is a common sight in content s… Continue reading What are the dangers of "style-src: ‘unsafe-inline’"? [duplicate]
Whatever Magecart is, it’s been blamed for several high-profile payment card breaches this summer. Continue reading Payment skimmers sneaking on to websites via third party code
I would like to start introducing a CSP on a site. I would like to start by adding a report only CSP and only reporting on mixed content, for example when an images is loading from HTTP instead of HTTPS.
I have tired the three following:… Continue reading CSP to report HTTP resources?
Domain example1.com embeds my iframe.
Domain example2.com embeds an iframe served from example1.com.
I would set X-Frame-Options: ALLOW FROM *.example1.com as well as Content-Security-Policy with frame-ancestors.
But the… Continue reading How do I control multiply-nested embedding of my iframe?
As mentioned in the Content Security Policy documentation & from the “supported browsers” page on the CSP site, CSP is not supported in Internet Explorer.
So, if we want to support CSP in our application with all the sup… Continue reading What’s the alternative of content security policy (CSP) header in Internet Explorer IE?
I have read up on base-uri and the HTML base tag, but what exactly is the base-uri CSP is meant to protect against?
Continue reading What attacks does Content Security Policy base-uri protect against?
Recently, I’ve set Content-Security-Policy headers for my web application. I’ve tried to be as strict as possible. What strikes me most is the fact that I had to allow blob: for connect-src and img-src due to a third-party component. (Both… Continue reading Is allowing blob: in Content-Security-Policy a risk?
First of all I am not very familiar with the world of encryption so please be nice.
I have got a data that should store in an xml using NetDataContractSerializer. This xml file gets the size of from 5MB to 10MB. So I am zi… Continue reading Best way to encrypt user data stored in xml?
Scott Helme, the well-known security researcher, international speaker and the founder of the securityheaders.com and report-uri.com free tools for web security, has devoted himself to improving the security environment of the internet for the past dec… Continue reading Newsmaker Interview: Scott Helme on Securing the Web