1
vote
1answer
65 views

When to use esc_html and when to use sanitize_text_field?

It seems that they do almost same type of job. So... When should I use esc_html() instead of sanitize_text_field()?
0
votes
3answers
37 views

Do we need to escape data that we receive from theme options?

I'm creating a Wordpress theme that I'm hoping to sell on Themeforest. Now I know much about escaping user inputted data using functions like esc_html, esc_url and so on and I use them in the comments ...
0
votes
0answers
32 views

Inserting HTML elements into table with TinyMCE, security

I am working on a wordpress plugin where the administrator can fill out a form that adds products to a table. For most inputs I am using sanitize_text_field(), and then inserting the data. But for ...
3
votes
1answer
72 views

Do Cookies Need to be Sanatized Before Being Saved?

I recently wrote a plugin and now I'm backtracking a bit to sanitize any and all user input. I know that I should sanitize anything that comes from $_GET or $_POST as a user can insert malicious ...
1
vote
0answers
67 views

Are un-sanitized theme options more vulnerable to malicious scripts than the theme editor?

I'd like to put text areas in a theme options area to allow users to easily add analytics code, scripts, and css. Is it silly to worry about malicious code being inserted via un-sanitized theme ...
1
vote
3answers
768 views

How to properly validate data from $_GET or $_REQUEST using WordPress functions?

I am working on a plugin that requires on-the-fly manipulation of content output. This is solely dependent on the current $_GET variable or $_REQUEST variable. Depending on what the variable is set ...
1
vote
2answers
1k views

<?php echo $title ?> vs <?php echo esc_html( $title ); ?> Wordpress Security

Reading this great article Data Validation and Sanitization in Wordpress I've noticed that in my blog, in header.php, I used <?php echo $title ?> in a pair of codes. According to the above ...
8
votes
1answer
476 views

How safe / sanitized is wp_insert_posts()?

Looking at the Codex for wp_insert_post() it states that this function "...sanitizes variables, does some checks, fills in missing variables like date/time, etc. " (EDIT: I updated the Codex entry to ...
6
votes
1answer
331 views

Which KSES should be used and when?

The WP source shows that wp_filter_kses and wp_filter_post_kses are passed data that's "expected to be escaped with slashes." On the other hand, wp_kses_data is passed data that's "expected to not be ...
1
vote
1answer
490 views

How Could I sanitize the receive data from this code

<form id="tellastory" method="post" action=""> <label for="fullname">Full Name </label> <input id="fullname" name="fullname" type="text" maxlength="255" value=""/> ...