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Low 42 Bitcoin

docs: drop all third-party assets, add CSP

KX6a7a357f View source ↗
Public commit record

What the developer wrote

Authored by odudex

85/100 · Strong
docs: drop all third-party assets, add CSP

Make the docs site fully self-contained so no remote code or assets load
in visitors' browsers:

- System font stack (theme.font: false) instead of Google Fonts
- Video tutorials as a title + link list, dropping YouTube thumbnails
- Shortcode emoji replaced with inline Material icons
- Remove the gitmind.com mind-map iframes (navigation page)
- Add a Content-Security-Policy meta tag (overrides/main.html) that
blocks external scripts/styles/fonts/frames, preventing a polyfill.io
style CDN injection at the browser level
✓ Descriptive subject✓ Names a concrete action or component✓ Uses a recognizable type or scope✓ Provides detailed explanatory context✓ Names security-relevant behavior explicitly
The short version

What changed, and why it matters

This commit hardens the Krux documentation website by removing all embedded third-party content (YouTube thumbnails, Google Fonts, gitmind.com iframes) and adding a browser-level Content-Security-Policy. The goal is to prevent attackers who compromise a third-party service (like a CDN) from injecting malicious code into visitors' browsers when they read the docs. It is a preventive security improvement, not a fix for an active vulnerability in Krux's hardware wallet firmware itself.

Recommended action

No immediate action required. This is a defensive hardening change. Reviewers should verify the CSP does not break site functionality (search, navigation, theme switching) and consider adding equivalent HTTP response headers at the hosting layer, since meta CSP cannot set frame-ancestors or X-Frame-Options.

Security signals we found

01

Content-Security-Policy meta tag added to documentation site

02

Third-party iframe sources removed (gitmind.com)

03

Third-party font loading disabled (Google Fonts)

04

Third-party image loading removed (YouTube thumbnails)

05

Inline emoji shortcodes replaced with local Material icons

06

Commit message references polyfill.io-style CDN injection risk

Risk score

Why this scored 42/100

Our methodology →
Potential impact 8/30
Exploitability 6/25
Stealth signal 7/15
Affected reach 9/15
Confidence 8/10
Evidence quality 4/5
Human-validated context

Community notes

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