The tweet highlights the discovery of 1 Reflected XSS and 2 Stored XSS vulnerabilities using the xss0r V4 tool. The tool is described as smooth, deadly accurate, with zero false positives, and supports Blind XSS, GET/POST, Path-based, CSP bypass, and over 3000 WAF payloads. This tool is recommended as the most advanced and a must-try for security professionals. An analysis of the specific bypass payloads used in this tool can lead to the discovery of new WAF bypass techniques.
For more details, check out the original tweet here: https://twitter.com/QuantX0X/status/1916870936638165077