GuidesHow to Draft a Content-Security-Policy
Draft a Content-Security-Policy for a static site, WordPress, or Shopify, then check the live header with Vulnify’s CSP Checker.
Security Insights Blog
Expert articles on web security, vulnerabilities, and best practices
Guides
GuidesHow to Check robots.txt and Your Sitemap
Check robots.txt and sitemap.xml with Vulnify. See missing files, a block-all rule, invalid XML, and HTTP URLs, then retest after you fix them.
GuidesHow to Check a Website for Open Redirects
Test redirect parameters with Vulnify’s Open Redirect Checker. Read a confirmed finding, a bounded pass, and what to fix before you retest.
ProductHow to Read a Vulnify Stack Profile: Joomla, Shopify, and WordPress Results Explained
Stack profiles are most useful when you understand what the public evidence does and does not prove. Learn how to interpret Joomla, Shopify, and WordPress results, assign owners, and verify fixes.
Platform SecuritySession Fixation and Session Rotation: What Should Happen Before and After Login
A secure login should change the security meaning of the session and usually its identifier. Learn how session fixation works, when IDs should rotate, what logout should invalidate, and how to test the lifecycle.
SecurityPassword Reset Link Security: Host Headers, HTTPS, Token Leakage, and Expiry
Password reset links cross email, proxies, TLS, browser headers, token storage, and session management. Learn how to keep account recovery from becoming an account-takeover path.
Platform SecurityLogin Return URLs and Open Redirects: Securing next, returnUrl, and Callback Parameters
Login and SSO flows often carry a return destination. Learn how unsafe next, returnUrl, redirect, and callback parameters become open redirects, and how to constrain them safely.
Best PracticesSubdomain Lifecycle Management: Find, Classify, Retire, and Monitor Forgotten Hosts
Subdomains become risky when ownership disappears before DNS does. Learn how to discover public hosts, classify ownership, review CNAME dependencies, retire services safely, and verify cleanup.
TutorialsVulnerable JavaScript Library Found: How to Decide What Actually Needs Fixing
A scanner finds an outdated JavaScript library. Before changing production, confirm what was detected, whether it is loaded, which advisory applies, who owns it, and how to verify the live fix.
Platform SecurityCOOP, COEP, and CORP Explained: Cross-Origin Isolation Without Breaking Your Website
COOP, COEP, and CORP control different browser relationships. Learn how they work together, what cross-origin isolation changes, what commonly breaks, and how to roll them out without guessing.