This paragraph summarizes the key points of the text, which discusses the importance of getting content types right for web developers to ensure the security of their applications. The article highlights a vulnerability in Odoo, a popular open-source business suite, due to an incorrect content type being set on an API endpoint. This vulnerability can lead to Cross-Site Scripting (XSS) vulnerabilities, allowing attackers to impersonate victims and exfiltrate sensitive data. The article emphasizes the importance of setting the correct content type on API endpoints and recommends using a strong Content Security Policy to prevent such vulnerabilities. It also provides details on how Odoo maintainers addressed the vulnerability by adding an explicit content type and patches to fix the issue.