How to use Self-XSS as a full-fledged XSS attack through credentialless iframes?

In the blog post, the author discusses the concept of Self-XSS, a technique that is often underrated in the realm of web application security. Self-XSS involves manipulating JavaScript code in users' browsers, which can lead to unauthorized access to personal data. The author explains why this technique is dangerous and what countermeasures can be implemented to minimize the risk associated with its use. Real-life examples illustrate how even ordinary users can become victims of this form of attack, helping readers better grasp the issue. In conclusion, the author emphasizes the importance of education in security and the need to be vigilant about personal data online, encouraging the adoption of practical protective measures in daily life.