What is sanitize HTML?

HTML sanitization is the process of examining an HTML document and producing a new HTML document that preserves only whatever tags are designated “safe” and desired. HTML sanitization can be used to protect against attacks such as cross-site scripting (XSS) by sanitizing any HTML code submitted by a user.

When should you sanitize HTML?

HTML sanitization is the process of examining an HTML document and producing a new HTML document that preserves only whatever tags are designated “safe” and desired. HTML sanitization can be used to protect against cross-site scripting (XSS) attacks by sanitizing any HTML code submitted by a user.

How do you sanitize user input?

Sanitizing User Input

Disallow content so you show an error if the user tries to submit bad content.
Escape content so HTML is rendered as text.
Clean content to allow only safe HTML through.
Strip content to not allow any HTML at all.
Replace content so users can enter non-HTML tags that you convert to HTML.

When should you escape user input?

User input is a string. Escaping is done when you want to insert some characters into some HTML / SQL / Whatever code which insists on interpreting some characters into special functionalities.

Does laravel sanitize input?

Laravel Sanitization Sanitization of input includes the techniques to identify and remove the possible input entries of strings that can be harmful to your application. Example: Here’s how you can sanitize the input by stripping away the script tags using the PHP strip_tags function.

What is sanitize string?

Sanitization modifies the input to ensure that it is valid (such as doubling single quotes). For example, you might change all single quotation marks in a string to double quotation marks (sanitize) and then check that all the quotation marks were actually changed to double quotation marks (validate).

What is output sanitization?

REST API output sanitization removes or encodes data returned by requests, thus reducing security risks. Output sanitization is enabled by default. You can disable it or configure the feature using site parameters.

What is sanitize textfield?

sanitize_text_field() however actually removes all HTML markup, as well as extra whitespace. It leaves nothing but plain text. Semantically it’s sanitize, so it’s meant to be used to make input being saved safe.