
CVE-2026-21876
Minimal PoC and Docker container demonstrating a WAF bypass in OWASP ModSecurity CRS via multipart charset handling, leading to XSS payload delivery.
exploitationpenetration-testingvulnerability-analysis+2

Minimal PoC and Docker container demonstrating a WAF bypass in OWASP ModSecurity CRS via multipart charset handling, leading to XSS payload delivery.

Hands-on lab on detecting and mitigating web app threats using OWASP ZAP, Burp Suite, and ModSecurity WAF (with OWASP CRS). Case study: Spring4Shell…