How to hack a website using HTML code

Phase 1: Gathering information about the website

Before attempting to hack a website, it's important to gather as much information as possible about it. This can help you identify the site's vulnerabilities and weak points.

1. Analyze the site structure

Start by analyzing the structure of the website. This means examining the main pages, internal and external links, contact forms, and any other functionality present on the site.

This information can be used to identify areas of the site that may be vulnerable to attacks such as SQL injection or cross-site scripting (XSS).

2. Use analysis tools

There are many tools available online that can assist you in gathering information about the website. For example, you can use the "Whois" tool to obtain information about the domain owners and their contact data.

You can also use port scanning tools to identify services running on the web server and any open ports that may be vulnerable to attacks.

3. Examine page source code

Examining the page source code can provide you with additional information about the technologies used to create the website. For example, you can identify the version of CMS (Content Management System) used by the website or JavaScript libraries that have been used.

You can also search for any comments in page source code, which may provide you with information on vulnerable areas of the site.

4. Examine robots.txt and sitemap.xml files

The robots.txt and sitemap.xml files can be used to identify website pages that should not be indexed by search engines or those that contain sensitive information.

Examining these files can help you identify areas of the site that may contain sensitive information or vulnerabilities.

• Gathering as much information as possible about the website is essential before attempting to hack it.
• Analyzing the site structure, using analysis tools, examining page source code, and robots.txt and sitemap.xml files can provide additional information about the site.
• This information can be used to identify the vulnerabilities and weak points of the website.

Phase 2: Identifying website vulnerabilities

After gaining access to the HTML code of the website, the next step is to identify its vulnerabilities. There are several techniques you can use to pinpoint these vulnerabilities.

1. Form analysis

One of the most common ways to hack a website is through forms on pages. Forms are often used to collect information from users and may be vulnerable to hacker attacks.

You can start by analyzing the forms on the website and checking if there are fields that are not properly validated or allow the insertion of malicious code. For example, you could look for input fields like "<script>" or "<iframe>", which could indicate the presence of an XSS (Cross-Site Scripting) vulnerability.

2. Authorization Verification

Another important area to check is the website's authorization system. If the site requires user authentication, you should check for vulnerabilities in the authentication process or areas of the site that unauthorized users have access to.

In addition, you should also check permissions on files and folders on the website. If there are files or folders that should not be accessible to the public, they may represent a vulnerability for the site.

3. Query String Verification

Query strings are parameters passed through the website's URL. These parameters can be used to filter search results or pass information between pages on the site.

However, query strings can also be vulnerable to hacker attacks. You can check if there are query strings present on the website that allow for the insertion of malicious code or that could be used to access sensitive information.

4. Cookie Verification

Cookies are small text files stored on a user's computer when they visit a website. Cookies can contain information such as user preferences or login credentials.

However, cookies can also be vulnerable to hacker attacks. For example, a cookie could be stolen by a malicious user and used to access the legitimate user's account.

You can check if there are cookies present on the website that contain sensitive information or that may be vulnerable to external attacks.

• Form analysis
• Authorization verification
• Query string verification
• Cookie verification

These are just some of the aspects you should consider during the vulnerability identification phase of the website. Once vulnerabilities have been identified, you can move on to the next phase and use this information to breach the website.

Conclusion

As you have seen, hacking a website using HTML code is not an easy task, but with the right knowledge and techniques it is possible. However, it is important to remember that hacking is illegal and can have serious legal consequences. Use this information for educational purposes only and never attempt to breach a website without explicit permission from the owner.

In addition, if you are the owner of a website, make sure to protect your site from vulnerabilities by using best security practices and keeping software up-to-date at all times.