[Suggested description] Sourcecodester Event Registration App v10 was discovered to contain multiple CSV injection vulnerabilities via the First Name, Contact and Remarks fields These vulnerabilities allow attackers to execute arbitrary code via a crafted excel file [Additional Information] Proof of Concept: drivegooglecom/file/d/17rSb8GLFPQfqnVFI56AYffbVMDg8z75t/