Problem / Question I am new to the Javascript Fetch API and am attempting to post data and retrieve a result from my PHP page. However, I encountered an error message, “SyntaxError: Unexpected end of JSON input”. Could you please advise as to what may be causing this issue with my code? Solution / Answer …
JSON
Researchers from Claroty’s Team82 have “developed a generic bypass of industry-leading web application firewalls (WAF)… [that] involves appending JSON syntax to SQL injection payloads that a WAF is unable to parse.” The issue affects WAFs from Amazon Web Services, Cloudflare, F5, Imperva, and Palo Alto. All have updated their affected products to address the vulnerability. …