This tweet discusses bypassing WAFs with XSS payloads. The payload used is <img src=x onerror=alert(1)>. This bypass technique can be applicable to various WAF vendors. It is important to ensure proper security measures are in place to prevent such attacks. For more technical details, check out the blogpost.
For more insights, check out the original tweet here: https://twitter.com/librakeem/status/1779281621662781518