XSS Tester

The XSS Tester automates basic cross-site scripting probing by sending crafted payloads to a specified URL and inspecting responses for reflections or injections. It supports defining a target URL, HTTP method, injection point parameter, and a set of payloads. Conceptually, the tool treats each payload as a potential script vector and compares the response body or headers for reflections indicating vulnerability. Users can add optional headers and control redirects to adapt to different app architectures. The output provides a vulnerability flag, the location of the reflection, and evidence snippets to aid triage and reproduction. This tool is beneficial for security engineers, developers integrating security checks into pipelines, QA teams validating input handling, and bug-hunters evaluating web apps in test environments. Its value lies in repeatable, auditable checks that can be integrated into CI workflows or manual testing sessions. Core features include structured inputs for URL, method, parameter, and payloads; per-payload analysis; and exportable results in JSON/CSV formats. The tool follows OWASP XSS testing guidance and emphasizes reproducible steps and evidence rather than automated exploitation. Use cases include validating forms, API endpoints, and URL query parameters across staging environments, and isolating vulnerable vectors for remediation prioritization.