23pds posted on X. Security researcher Samm0uda has identified significant vulnerabilities in Meta's Conversions API Gateway, revealing stored and reflected XSS vulnerabilities valued at $312,500. These vulnerabilities allowed JavaScript code execution, posing potential risks to user data and privacy. The discovery highlights ongoing security challenges faced by major tech companies in safeguarding their platforms against cyber threats. Meta has been informed of these issues and is expected to address them promptly to ensure the safety and integrity of its services.