XSS Measures

XSS measures are implemented during system development and operation.

Cross-site scripting (XSS) is a well-known attack (hacking) technique for websites. In simple terms, it means “embed malicious script into another person’s website”.

About measures on the system side About measures on the server side
Pre-release audits with vulnerability diagnostic tools (OWASP ZAP, openVAS) adjust apache
Adjust cookies on the PHP side
Defense with WAF (Web application firewall)