The tweet states that the author has recreated an exploit and is confident they can bypass any Web Application Firewall (WAF). However, no specific details about the type of vulnerability, the payload used, the WAF vendor, or the method of bypass are provided. The author offers to share details if there is interest.
For more insights, check out the original tweet here: https://twitter.com/LooseSecurity/status/1999584034565808361