Can a website be hacked by injecting just CSS? Yes.

In the article by Scott Helme, the author explores the potential security risks associated with CSS in web applications. He highlights how CSS can be manipulated to execute attacks that may result in the theft of user data. By presenting various case analyses and examples, Helme illustrates how certain techniques can inadvertently allow for sensitive information to be compromised. The article stresses the importance of educating web developers about the security implications of CSS, as its perceived safety can lead to negligence in protective measures. Ultimately, the author prompts readers to consider that comprehensive security practices must encompass all areas of web application development, including CSS. This awareness is crucial for preventing significant security breaches and ensuring user data remains safe.