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You Should Know:
Cross-Site Scripting (XSS) and Cross-Site Request Forgery (CSRF) are critical vulnerabilities in modern web applications. Below are some practical commands and techniques to test and mitigate these vulnerabilities:
1. Testing for XSS:
- Use tools like `Burp Suite` or `OWASP ZAP` to intercept and manipulate requests.
- Example payload for reflected XSS:
<script>alert('XSS')</script> - Test stored XSS by injecting payloads into input fields:
<img src="x" onerror="alert('Stored XSS')">
2. Testing for CSRF:
- Use `curl` to simulate CSRF attacks:
curl -X POST -d "param1=value1¶m2=value2" http://vulnerable-site.com/action
- Check for missing CSRF tokens in forms.
3. Mitigation Techniques:
- Implement Content Security Policy (CSP) headers:
Content-Security-Policy: default-src 'self'; script-src 'self'; object-src 'none';
- Use anti-CSRF tokens in forms:
<input type="hidden" name="csrf_token" value="randomly_generated_token">
4. Linux Commands for Security Testing:
- Scan for open ports using
nmap:nmap -sV -p 80,443 target.com
- Check for SSL/TLS vulnerabilities with
openssl:openssl s_client -connect target.com:443
5. Windows Commands for Security Testing:
- Use `netstat` to check active connections:
netstat -an | find "LISTENING"
- Test for open ports with
telnet:telnet target.com 80
What Undercode Say:
Understanding and mitigating XSS and CSRF vulnerabilities is crucial for securing modern web applications. By leveraging tools like Burp Suite, OWASP ZAP, and commands like curl, nmap, and openssl, you can effectively test and secure your applications. Always implement robust security measures such as CSP headers and anti-CSRF tokens to protect against these common threats.
For further reading, visit the original article: CSPT: Your Way to XSS & CSRF in Modern Apps.
References:
Reported By: Abdulrahman Mohamed – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
