Getting a
#CSP (Content Security policy) working right for my site *and* have reasonable security levels is proving harder than I thought...
#webdev #headers #websecurity #ContentSecurityPoliciesIt's 2025, and
#Firefox still thinks their
#UI is the next SpaceX launch—except it's powered by
#HTML and
#CSS instead of rocket fuel. 🚀💥 But don't worry, they're "hardening" it with Content Security Policies, because nothing screams "cutting-edge" like desperately patching a leaky, decade-old tech stack. 🔒😂
https://attackanddefense.dev/2025/04/09/hardening-the-firefox-frontend-with-content-security-policies.html #SpaceX2025 #ContentSecurityPolicies #HackerNews #ngatedHardening the Firefox Frontend with Content Security Policies
Most of the Firefox User Interface (UI), including the address bar and the tab strip, are implemented using standard web technologies like HTML, CSS and JavaScript plus some additional custom components like XUL. One of the advantages of using web technologies for the front end is that it allows rendering the frontend using the browser engine on all desktop operating systems. However, just like many web applications are susceptible to some form of injection attack (OWASP Top Ten), Firefox’s use of web technologies for the frontend makes it no exception and hence it is vulnerable to injection attacks as well.
Avoiding Death by a Thousand Scripts: Using Automated Content Security Policies
The process of automating content security policies can be improved by identifying all scripts, as well as the assets that they access.
Naty
N-gated Hacker News
Conffab
The Hacker News