Strengthening themes, plugins and core installation to prevent intrusion.

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0
votes
1answer
129 views

Data Validation, dynamically generated fields (select for example)

Working to secure my plugin, I'm not sure what (if anything) to do about output such as dynamically generated select fields. For example, I have a country code select generated on the backend via PHP ...
0
votes
1answer
129 views

Is it safe use wp_editor in public contact form

I'm going to make a contact form for my site, and i want to use WYSIWYG editor (wp_editor) in my form message field. Here is my question, is that safe use wp_editor in public though disable media ...
0
votes
1answer
101 views

force login loophole

I want to restrict access to my wordpress site to allow registered users only. I have tried the following plugins: Require-login Authenticator WP-lock All of them have the same problem: After ...
3
votes
1answer
507 views

When to use esc_url, esc_html, esc_attr, and friends?

Discovered esc_url today while customizing an _s theme. I understand what the function does (sanitizes the URL inside), but what I'm unsure of is the scope of its use. It makes sense to me that if ...
0
votes
3answers
198 views

How to stop direct HTTP POST to a PHP script?

I have a form on my site, created using Contact Form 7 with Captcha. Contents of the form when POSTed are being sent to a PHP script, the "action" attribute of the form is set to ...
-2
votes
2answers
740 views

Is there a secure way for the public to submit images, videos, and documents using WordPress?

I want the public to submit images, photo simulations, models, video, animation, illustrated narration, papers and other publications and multimedia. images - 30" x 42" 300 dpi . pdf format file size. ...
0
votes
2answers
766 views

Too many login attempts

Since a week or two I keep receiving the following automatic email message sent from my WordPress website, and I'd like to know if it indicates any security hole and if there's anything I can do to ...
3
votes
3answers
341 views

How brute-forcer knows that the password is cracked for target username?

There are very many brute-force attacks (mostly for 'admin' username) on WordPress sites. All these attacks are made automatically via post requests. The question 1: how brute-forcer knows that the ...
1
vote
1answer
212 views

Using esc_html with HTML purifier and CSSTidy: Overkill?

Currently my text area input (which accepts custom CSS input from a user) in the Wordpress theme options panel are sanitized by esc_html function in Wordpress ...
0
votes
2answers
38 views

Separate Out Real Users

If I look at /wp-admin/users.php I see all the users, but some have given a bogus email and never used their password. Is there some way to see who has used their password at least once? If not, ...
0
votes
1answer
131 views

Auto log in hook is requiring a page refresh

I have a simple auto log in hook that looks like the following: function auto_login() { if (!is_user_logged_in()) { //Removed some code for brevity. $user = ...
1
vote
1answer
115 views

How can I secure a WordPress blog using OpenID from a single provider?

We're about to launch an internal blog for the company I work at. Much of the blog will be available to the public, but certain posts will be for employees only. Our intranet/extranet has an OpenID ...
1
vote
0answers
119 views

Disallow file edit not preventing plugin install

I have a little demo site (admin details are listed publicly), and I've configured the wp-config to disallow file edits, so in theory no one can install a theme / plugin. ...
0
votes
1answer
73 views

Security to delete post by Admin

My code is so simple like when admin delete a post by Wordpress fucntion (PHP) and do action with jQuery <?php include('../../../../../../wp-config.php'); if(current_user_can('edit_posts')){ $id = ...
2
votes
2answers
258 views

wordfence scan warning on W3 Total Cache

I use Wordfence plugin which scans server side plugins with original plugin files to see if anything was modified by hacker/cracker. Today I got a warning and it shows these modifications on ...
1
vote
1answer
5k views

Receiving “This content cannot be displayed in a frame” error on login page

I am using a new domain for my WordPress directory in different server. When I click the meta links such "Login" or "register", I get this page: This content cannot be displayed in a frame To ...
-1
votes
1answer
177 views

Default installation permissions for wp-config.php

Recently I've noticed that many of the wordpress installations we have on our servers where being attacked and ifected by this thing ...
0
votes
1answer
367 views

Wordpress Security - How to block alternative Wordpress access

I own a self-hosted Wordpress 3.5 blog. I'm working on its security and I'm trying to prevent non-writers from accessing anything admin-ish they shouldn't. Recently I tried Better Wordpress Security, ...
-2
votes
2answers
114 views

Is this a WordPress security bug?

<?php if ( ! is_admin() ) return; echo 'You should not see this if you\'re not logged in!'; ?> If you put this in a mu-plugin, and go to your admin, e.g., example.com/wp-admin/ while you are ...
7
votes
1answer
465 views

From a security standpoint, should bloginfo() or get_bloginfo() be escaped?

I've been reviewing a lot of information about WP theme and plugin security and understand the concept that you should escape attributes and HTML values in themes and plugins. I've seen bloginfo() and ...
0
votes
1answer
48 views

Is this plugin safe to run?

This is an extract of code from a wordpress plugin. Is it safe to run despite the variables not being filtered? Also does the wpdb class filter to prevent any injection? list($email_id, $user_id, ...
-1
votes
3answers
3k views

nginx + wordpress: Best practices for configuring it to be secure, reliable, and fast? [closed]

BACKGROUND: Running everything up on Linode. Having followed the "Getting Started," "Securing Your Server," "LEMP Server on Ubuntu 12.04," and the "Manage Web Content with WordPress" guides I was ...
0
votes
1answer
144 views

Admin can enter JavaScript - potential security risk?

WP 3.5/TwentyTwelve/Clean install. I try this when login as admin and editor. I try add reply for first post "Hello World": <script>alert('XSS')</script><script><</script> ...
0
votes
1answer
505 views

Basic password protection without using users and roles

I'm using WooCommerce, and want to be able to password protect products (or preferably whole categories if possible), but without using the Users & Roles functionality build into WP(because I need ...
0
votes
2answers
174 views

File permissions for wp-minify plugin

I am worried on installing Wp-Minify plugin. But it needs 777 permission for the cache directory located inside wp-uploads directory. Isn't it a security issue?
0
votes
1answer
99 views

security issue in wordpress?

I have installed wordpress in www.mysite.com/user and now suppose if someone is familiare with wordpress he/she can easily access my stuffs through www.mysite.com/user/members ...
2
votes
3answers
7k views

How does admin-ajax.php work?

we are having some issues with an external developer. i am not a wp person so i turn to the masses to help out. we want to limit access to the wp-admin site to internal access only (via vpn). simply ...
3
votes
1answer
202 views

Nonces can be reused multiple times? Bug / Security issue?

I've read that nonces are meant to be for one time use only, and after an ajax request, you should issue a new nonce so with the next ajax request, a new nonce would be sent to the server. However, I ...
5
votes
2answers
799 views

File and directory permissions

I installed latest WordPress 3.5 in my CentOS server. When I tried accessing http://example.com/wp-includes/, I received a listing of the directory: (Index of wp-includes). I added the following code ...
1
vote
1answer
1k views

Disable directory browsing of uploads folder

I'm using Wordpress as a CMS for a simple website. I want to prevent users from being able to browse the directories such as the wp-content/uploads folder or any directories of my theme. My host does ...
3
votes
1answer
894 views

Masking logout URL

The primary goal is to hide that the site is driven by wordpress. I've got the login part all locked up, but the logout URL still has those blasted wp delineators that give away it's a wordpress site. ...
1
vote
0answers
407 views

Security - Ajax and Nonce use [closed]

I'm developing a site which posts a number of ajax calls from jquery to PHP and returns data from PhP to jquery. Everything is working, but i'd to know if my approach to handling the calls is ok, in ...
0
votes
1answer
1k views

wp_insert_post disable HTML filter

I have input value "<iframe>....</iframe>" (param 'post_content'). When i execute wp_insert_post, function cut off my tag. How to disable HTML filter in wp_insert_post ?
1
vote
1answer
47 views

About WordPress site security

If I install WordPress on my server, does it mean that Akismet is installed automatically? If so - do I still need to create e-mail verification and captcha tools for improving site security (as I see ...
1
vote
1answer
106 views

using rewrites to secure login page

I'm trying to be sneaky with iis to secure a wordpress login page (not my choice to run a windows server, but that's the reality of things). It's worked so far, only the login page itself loads itself ...
-1
votes
2answers
927 views

How to improve WordPress security by hiding non public facing files?

e.g. curl -I http://ma.tt/blog/wp-config.php 200 OK The wp-config.php is not public facing file, since it currently just return blank page, so why not return 404 instead. (so will not be cached by ...
5
votes
3answers
1k views

Filter any HTTP request URI?

I want to filter any HTTP request URI done through the HTTP API. Use cases: The WordPress update check goes to http://api.wordpress.org/core/version-check/1.6/, but ...
2
votes
2answers
806 views

Renaming wp-content folder dynamically

Is it possible to rename the wp-content folder dynamically? I am building a custom framework to use on themes and it would be nice to set it up where it does everything on its own. I am using this ...
2
votes
0answers
296 views

comment_post_ID 0 (cannot remove from dashboard)

Ran across something a bit odd that I haven't seen before. A client has a pretty active blog and uses Akismet (paid) to protect against spam. At least once a day, they're reporting a spam comment that ...
0
votes
1answer
578 views

What is the best method to close off the backend?

The goal: Completely remove the ability to access the WordPress backend on the production domain. Ex. return a 404 for http://example.com/wp-admin Purpose: I don't want any possibility of WordPress' ...
0
votes
1answer
61 views

How 'secure' are loops?

I am using loops as means of displaying personal meta and customer information on the frontend. For example, I have a page which displays a user's 'profile' information to edit. Their profile is ...
6
votes
1answer
77 views

Is it safe to store a user setting you don't want the user to ever modify as a user option?

I have added some custom user options to the profile page on my site, and most are all OK for the user to modify themselves. These options live in their own section. The users have read access and ...
2
votes
1answer
54 views

What is the most secure way to set up the MySQL user in WPMU?

I am setting up Subdomain based MU on my domain.Everything is hosted by me running on one CentOS/Webmin VPS. Will I be better off setting the MySQL user's domain as localhost, 127.0.0.1 or with a ...
0
votes
1answer
69 views

Wordpress custom admin functions security

i have a case in my admin panel where i need to call my own function that resides in my own php file, with a GET request. This function is actually removing entries from the database. So, i would ...
1
vote
0answers
72 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 ...
8
votes
2answers
296 views

Securing Admin Accounts - Username Discovery

We've had Limit Login Attempts installed for some weeks now, and the number of brute force attempts occurring on wp-admin/wp-login is pretty amazing. At first the attempts were all with the username ...
1
vote
0answers
60 views

Network Admin URL is shown to anyone before accessing a blog

I have a multisite setup and I noticed today that my security was not working properly. Each of my blogs has its own url : http://www.example1.com http://www.example2.com … My "main blog" is not ...
1
vote
3answers
897 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 ...
14
votes
2answers
478 views

In Which Contexts are Plugins Responsible for Data Validation/Sanitization?

I want to make sure all of the data in my plugins/themes is handled securely before entering the database and before being output to the browser. My problem is that there are situations where the API ...
0
votes
1answer
541 views

Do I need to sanitize Wordpress search query?

I submit search data to custom page searchi.php <?php // $search_variables = $_GET['s']. '+' .$_GET['cat']; //This sends http post to url without curl header("Status: 301 Moved ...