<script>alert("Cross Site Scripting Scanner")</script>
Cross Site Scripting, also known as XSS, is a type of vulnerability that allows hackers to inject code into the website visitor’s browser without their knowledge and information disclosure is the ability to access data that should only be accessible to the current user. This can range from simple information disclosure, such as reading the content of the current user’s web browser, to more advanced, such as remote code execution, which would allow the hacker to take over the current user’s web browser and perform actions that the user wouldn’t normally be able to do. Cross Site Scripting occurs when hackers are able to inject code into the website visitor’s browser without their knowledge and information disclosure is the ability to access. XSS is difficult to detect and can be difficult to fix, which is why it is important to understand how it works and why it occurs.
This free online Cross-Site Scripting (XSS) scanner helps developers and security researchers detect vulnerabilities in web applications by simulating malicious script injections. XSS attacks allow hackers to inject client-side scripts (e.g., JavaScript) into web pages viewed by unsuspecting users, potentially leading to:
- Data theft prevention (e.g., session cookies, login credentials).
- Defacement prevention of websites.
- Malware distribution prevention via compromised pages.
Key Features of the Scanner
- User-Friendly Interface
- Enter a target URL (e.g.,
http://example.com/page.php?variable1=test). - Choose between GET or POST request methods.
- Click SCAN to test for vulnerabilities.
How It Works
The tool injects test scripts (e.g., <script>alert("XSS")</script>) into input fields or URL parameters.
If the script executes in the response, the site is vulnerable to XSS.
Use Cases
- Developers: Test websites during development or before deployment.
- Penetration Testers: Identify flaws in client-side security.
- Website Owners: Proactively secure user data.
Limitations of Free Version
- Basic scanning only (premium offers advanced payloads and automation).
- No in-depth reports or remediation guidance.
Why XSS Matters
XSS ranks among the top 10 web security risks (per OWASP). Unpatched vulnerabilities can compromise user trust and lead to legal repercussions. Regular scanning is critical for maintaining secure applications.
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