Wiki Article · Cinematic

HTML Security

HTML security ka matlab hai wo sab practices, techniques aur mechanisms jinse HTML-based web pages…

Overview

HTML Security — Quick Facts

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Property: Detail

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Full Name: HTML Security (HyperText Markup…

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Category: Web Security / Frontend Security

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Applies To: Web Pages, Web Applications,…

Topic 1

Infobox

📊 | Property | Detail | |---|---| | Full Name | HTML Security (HyperText Markup Language…

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HTML Security Kyu Zaroori Hai

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User ka data leak ho sakta hai…

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Fake forms dikhai de sakte hain…

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User ka session hijack ho sakta hai

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Page ka behavior change ho sakta…

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Common HTML Attack Vectors

📈 Neeche table me common HTML-level attack vectors aur unka short description hai: | # |…

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XSS — Cross-Site Scripting

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Output Encoding: Har…

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Content Security Policy: CSP…

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Input Validation: Sirf expected…

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Sanitization: HTML content me sirf…

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XSS Attack Flow — Mermaid Diagram

🎲 `mermaid flowchart TD A[Attacker crafts malicious URL / input] --> B{Application…

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Content Security Policy (CSP)

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default-src: Fallback policy jab…

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script-src: JavaScript files ka…

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style-src: CSS files ka allowed…

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img-src: Images ka allowed source

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iframe Security

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Clickjacking: Attacker apni site…

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Data Leakage: iframe me embedded…

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Malicious Embedding: Koi bhi site…

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sandbox: iframe ko restricted…

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Form Security

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CSRF Tokens: Har form me ek unique…

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HTTPS Action: Form ka action…

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autocomplete="off": Sensitive…

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Input Validation: type, pattern,…

Topic 9

Link Security

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noopener: Naya tab window.opener…

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noreferrer: Referrer information…

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User-generated links ko validate…

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javascript: scheme wali links…

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Subresource Integrity (SRI)

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CDN-hosted third-party libraries…

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crossorigin="anonymous" attribute…

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Hash update karna padta hai jab…

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CSS files par bhi SRI lag sakti hai

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Security Headers Overview

📈 HTML security sirf markup tak limited nahi hai — HTTP security headers bhi bohot zaroori…

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HTML Sanitization

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Whitelist Approach (Recommended):…

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Blacklist Approach (Risky): Known…

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Library-Based: Tested sanitization…

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<script> tag aur sab on* event…

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Secure HTML Defaults Checklist

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HTML ko hamesha HTTPS par serve…

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CSP header configure karo (at…

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Inline scripts avoid karo —…

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User input ko render karne se…

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Common Mistakes

🔍 | # | Mistake | Risk | Fix | |---|---|---|---| | 1 | User input directly innerHTML me…

Diagram

Visual Flow

📊 Diagram visualization — details in narration

Quiz — Question 1

HTML Security ka sabse sahi definition kya hai?

Quick Quiz

Quiz — Question 2

HTML Security ka 'Full Name' kya hai?

Complete! 🎉

HTML Security Complete!

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HTML Security Complete

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