WordPress / WordPress/WordPress-Coding-Standards

Include rawurlencode() in list of sanitizing functions

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#868 3 comments 0 reactions 0 assignees View on GitHub

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Focus: Security
Dominant language
PHP
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Description

I have some code like so:

$data['host'] = isset( $_SERVER['HTTP_HOST'] ) ? rawurlencode( sanitize_text_field( wp_unslash( $_SERVER['HTTP_HOST'] ) ) ) : ''; // input var ok

@mjangda informs me the sanitize_text_field() and wp_unslash() calls are unnecessary and rawurlencode() should be enough to make the data safe.

Currently, removing them results in a WordPress.VIP.ValidatedSanitizedInput.InputNotSanitized error.

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  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

Start by locating the PHP_CodeSniffer rule that reports WordPress.VIP.ValidatedSanitizedInput.InputNotSanitized and its list of recognized sanitizing functions. Add rawurlencode() to the appropriate coverage and create or update a regression test for the shown HTTP_HOST usage. Run the relevant sniff test suite and confirm the warning is no longer reported.

Written by the indexing model from the issue text.

Assessment

Tech stack
php
Domain
security, tooling
Issue type
Bug
Difficulty
3/5
Estimated time
1-2 days
Activity status
Stale
Clarity
Mostly clear
Newbie friendliness
42/100

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