if url contains "%3Eirfp=d1" , the programs crashes and gives error.

[bakliwalp]

While testing for a advanced xss payload on a site, I got a reflected xss script being executed their. original example =https://ab.redacted.com/?vtowg%3C%2fscript%3E%3Cimg%20src%3dx%20onerror%3ddocument.cookie()%3Eirfp=d1

when i passed this payload into the tool in terminal it got crashed and now i cannot use it for any other work.