Recently, I came across a statement suggesting that JSON is type-safe. I understand that vanilla JavaScript is not considered type-safe. However, how can a data interchange format like JSON be classified as type-safe?
Recently, I came across a statement suggesting that JSON is type-safe. I understand that vanilla JavaScript is not considered type-safe. However, how can a data interchange format like JSON be classified as type-safe?
It all comes down to interpretation. From most perspectives, json is considered safe. But keep in mind that it has limitations - for instance, you can't transmit executable code or other non-standard data types.
It's important to note that JSON data itself is inert and will not take any action on its own. However, when you decode or unpack the data, there is a potential for danger if it contains malicious content.
For instance, while the raw data may be harmless, injecting it into your webpage using a script like $('#data').html(data.my_script); could introduce harmful elements from the data.my_script.
If you manually insert JavaScript code (let's say my_script) into your website, that script has the potential to execute any action, which can pose a security risk.
If you have any specific concerns about possible vulnerabilities, considering utilizing JSON data can help identify and address them effectively.
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