Strengthening themes, plugins and core installation to prevent intrusion.

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1
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2answers
37 views

Assuming a theme is properly secured, how save is the WordPress admin?

Regarding point 3 in this (awesome) article on mikejolley.com. It states: Never trust user input, even that provided by admin users, because: You have no way of knowing the user is whom ...
0
votes
2answers
3k views

Block access to wp-admin

I'm attempting to use a .htaccess file to block access to the wp-admin folder. I've read through the Brute Force Attacks doc (https://codex.wordpress.org/Brute_Force_Attacks) and I've added the block ...
3
votes
4answers
909 views

Why should I use the esc_url?

This thing makes my coding difficult. Wordpress codex reasons the use of esc_url by talking vaguely about security. But is it really worth the trouble? For example, what's the important, practical ...
0
votes
1answer
46 views

How might I sanitize an XML file before WP Import? (Does wordpress verify or clean text when importing from an XML document? )

I have been tasked to import an older, offline wordpress site. I have the XML export file and a tar-ball of the file tree. Nothing has given me reason to worry, but does WP check the contents of the ...
9
votes
3answers
5k views

Prevent access or auto-delete readme.html, license.txt, wp-config-sample.php

Just a quick question that might help a tad bit with security. I noticed that the readme.html file has the version number listed. It reappears after each upgrade and so do the licence.txt, and ...
5
votes
2answers
2k views

What security concerns should I have when setting FS_METHOD to “direct” in wp-config?

I have recently had an issue where I have been unable to install the WP Smush Pro plugin because I don't have the Manual Install or One-Click Installation options available. I came across this post ...
0
votes
1answer
287 views

Remove tinyMCE from admin and replace with textarea

I have created a plugin wherein I have a custom post type. I am using post_content for some simple text. I do not need to offer any fancy editing or insertion of data for this field, so I looked for a ...
0
votes
0answers
29 views

Server misconfiguration- Protect WordPress core files correctly from being called directly?

With a fresh WordPress 4.3 installation I have the following problem: If I call URLs like http://www.example.com/wp-admin/menu.php the script is executed directly. Is this a security issue which ...
3
votes
2answers
104 views

Is /wp-login.php?redirect_to[] exploitable?

I have a wordpress site, against which I ran a penetration testing tool (debug mode was on at the time) It reported a (medium severity) issue in that errors were being displayed, and cited ...
1
vote
1answer
68 views

How to delete Passwrd Protected posts cookies when a user logged out from the site

I wanted to delete all the cookies set for password protected posts when user logged out from the site after going through those Password protected posts. Is there any function to do this?
0
votes
0answers
25 views

wordfence reports exploited files but nothing visible when I edit file on server

Wordfence is reporting exploit code on some of the empty idnex.php files asswell as wp-config.php but when I access these files via ssh I see no malicious code. Wordfence reports this malicious code ...
0
votes
0answers
35 views

Is wp_kses safe against XSS

Is this code safe against complex types of XSS attack? $v = wp_kses(esc_attr( $bad_input ), $allowed); where $allowed = array( 'a' => array( 'href' => array(), 'title' ...
0
votes
2answers
1k views

What do spammers gain by signing up as a user?

The majority of new user signups I receive on my Wordpress blog look dodgy, with @someblog.com, @somearticle.com, or @gmail.com addresses. What do they gain by signing up as a new user?
0
votes
1answer
102 views

Can't reset WordPress password

I haven't logged onto my blog for years, and have, of course, forgotten the password. I click the 'Forgot' button and get a mail with a link, but that mail already says Sorry, that key does not ...
0
votes
2answers
33 views

Is wp_login_form secure on a non secure page?

I am using the wp_login_form on a non-secure (http) website. The form is in a modal window, so that you can log in from any page on the website. Is using the wp_login_form() in this way safe? Thanks, ...
5
votes
3answers
814 views

Disabled plugins are they security holes - rumor or reality?

I've read many WordPress Security blog articles where the Security Experts are recommending some special steps to take care when somebody is concerned about his/her WordPress site's security. One of ...
1
vote
0answers
33 views

Underscore Based Theme File Permissions in Git

I'm using underscores to develop my theme. For some reason git is saying that my file permissions are being changed from 10644 to 10744. I can override this in git's settings this but is it safe for ...
2
votes
1answer
63 views

Is it safe to enqueue a font style without putting http or https?

I have seen a few WordPress sites and tutorials enqueuing fonts like this. Does this work with http and https sites? Is it safe to do this? I see these exact URL's in the source code when testing ...
0
votes
1answer
42 views

Suspicious lines of code

Our company website was handed to me and source code was created by previous person. I noticed that there are lots of . I am getting suspicious with these I have the urge to delete these 18 lines of ...
0
votes
0answers
10 views

What is wp-admin/strebam_filter_register.php file?

I ran Sucuri Security integrity check for one of my wordpress websites which had been compromised by malware. I found two suspicious files: wp-admin/strebam_filter_register.php and ...
0
votes
1answer
64 views

Password-protect feed and make it usable in major aggregators

A WordPress site I'm on uses WordPress's default cookie-based authentication. This means that the RSS feed of the page is password-protected and can only be read when the cookie is available. ...
0
votes
0answers
22 views

WordPress and user security

When we talk about Information Security, many things come into mind and people tend to use CMS to be clear on security as CMS people do the job for you, in terms on hashing passwords, encryption etc. ...
1
vote
0answers
734 views

Core files changed - site hacked? [closed]

Got a WordFence alert last night for one of our WordPress sites, saying that some WordPress core files had been changed: WordPress core file modified: wp-content/plugins/akismet/admin.php WordPress ...
3
votes
1answer
113 views

Secure my “add_settings_field” translation?

I am using "add_settings_field" and want to provide translation for it , but my problem is security. So is __('My Checbox:' , 'domain') secure enough for translation? If not what can I do about it? I ...
0
votes
0answers
50 views

Force reauthentication/login for specific page for currently logged in users

I have a page that searches user information. The site is a record keeping site. I want it so that when people click the "View Records" link that they mus re-authenticate before proceeding. I'm not ...
1
vote
4answers
535 views

WP Cron doesn't save <iframe> or <object> in post body

I am using wp_cron to auto grab posts from a remote website and save them in my wp db. NOTICE! I am executing my code from my plugin, not from my template functions.php or somewhere else. I have my ...
0
votes
3answers
935 views

Wordfence detects change in wp-admin/includes/upgrade.php

I moved my site from hosting provider A and domain name B to hosting provider X and domain name Y. I had Wordfence in the old site. I just installed it in the new site and ran a scan. Wordfence found ...
2
votes
2answers
106 views

Is security a problem in Wordpress?

I am going to start a big corporate website for his car shop which is supposed be more secured. Is Wordpress okay to start a secured and reliable website? As far as i heard, Wordpress hackers ...
2
votes
0answers
184 views

How to set up fail2ban with WordFence?

I found a blog post that talks about setting up Wordfence and fail2ban but it's quite useless as there is no mention of any technical activity. Only that it took the author a total of 5 hours. I ...
0
votes
2answers
37 views

Secure Multiple WordPress Installations on shared hosting

Most shared hosting packages store all files of a given user under something like /user/myuser/www/ or /var/html. Addon domains are usually located under /var/html/domain1.com/, ...
0
votes
0answers
18 views

XSS Scripting in Cache files

On one of my client's sites I was going through a few of the pages ann noticed a popup appear with a spam advert on it. Finding this highly unusual I inspected the page source and found a bunch of ...
2
votes
1answer
32 views

Strange Search Queries in Apache Status

I am running a wordpress website with high traffic, my server load gets very high and while checking apache status i found flood of wordpress searches like this /?s=\"khabarnaak\"&id=39790 ...
0
votes
1answer
86 views

How many security plugins are too many? [closed]

I currently have three security plugins installed on WordPress, one of them I have a paid subscription to. Do you think this is overkill? I took a lot of steps to secure my WP site, and I'm worried ...
12
votes
1answer
706 views

For what security reasons are svgs blocked in the media uploader?

I see that SVGs are blocked by default in the media uploader and you have to add it as a supported MIME type in functions.php. What security reasons are behind this?
2
votes
1answer
92 views

Whats the safest way to output custom JavaScript and Css code entered by the admin in the Theme Settings?

I'm creating a theme in which I've created options for the admin to enter custom Javascript and Css code in the "Theme Settings" page (created using Options API). Now I'm just not sure how to output ...
-3
votes
1answer
202 views

How to make a WordPress site unhackable (except during during upgrade/plugin update)?

We've had numerous cases where client's WordPress based sites have been hacked due to various reasons, mostly related to a unsecured PHP file inside a theme allowing POST uploads and planting a ...
0
votes
1answer
65 views

RESTRICT EDIT of PHP files?

I wanted to restrict access to ALL Administrators to have access to EDIT any php file (Like Theme+plugin editor AND ETC..) I have developed a plugin, named System Edit Restriction. Currently, I use ...
0
votes
3answers
256 views

Headers already sent error after upgrading wordpress to 4.2.2

in wordpress version 3.6 and 3.7 everything works great, but with version 4 and above I get: Cannot modify header information - headers already sent the problem line is: header('Location: '. ...
1
vote
0answers
243 views

How does the “authentication unique keys and salts” feature work?

I'm trying to find some information on how the authentication keys and salts work in WordPress, but unfortunately I wasn't able to find anything useful. All I got is that the keys should be random, ...
0
votes
2answers
748 views

Any known bugs that could cause disappearance of the wp_users table?

I administer a number of WordPress-powered web sites. One of these sites is new, and has been running untouched since it was set up a month ago. Today, I tried to log in, but was unable to do so - ...
6
votes
1answer
269 views

What to use instead of wp_kses() in user output

I need some help here. While developing a theme, I want to make sure there are no security issues. So all dynamic data must be correctly escaped for the context where it is rendered. I know how to ...
0
votes
0answers
101 views

Best way to handle unregistered users as a unique idenitifier

I have a voting system for specific type of posts (site), similar to reddit, and I want to allow unregistered users to vote. In order to keep the voting count as valid as possible, I am thinking ...
3
votes
1answer
91 views

Garbage in beginning of wp-config.php - was this WP installation compromised?

I hadn't realized that one of my WP sites wasn't being accessed in the last months, and consequently not being updated, and today I have found that my config.php has some garbage in the beginning of ...
0
votes
1answer
306 views

wp-content - permissions for files/folders created by apache

My wp-content folder has owner 'User' and group 'www-data'. The permissions are 775 for folders and 664 for files, so the server can write inside folder. But when the server creates folder and files ...
3
votes
3answers
77 views

Strategies for coping with hyperagressive spambots?

A couple of my sites are getting slammed by a hyperagressive distributed spambot. It's just pure link spam. It all comes from one user name, but from a variety of IPs. Akismet is catching the spam, ...
1
vote
1answer
415 views

How can I safely use $_SERVER['REQUEST_URI'] to avoid XSS?

I've seen a lot of warnings about using $_SERVER['REQUEST_URI'] because it can open things up to XSS, but I haven't been able to find anything confirming a safe way to use it. Some people have ...
0
votes
1answer
119 views

WP upload/select image , isn't this a security issue?

If in image upload frame I select a zip http://prntscr.com/6ypjlv, it does not show it in list of files but it is up http://prntscr.com/6ypjvp shouldn't we only be able to upload image types if ...
1
vote
0answers
194 views

Hide username discovery

How do I stop my usernames being leaked? To explain I tested my WordPress site on http://wprecon.com, and found that my admin username (that I have changed) was able to be discovered. User ...
0
votes
2answers
103 views

Wordpress login security

I have put up a logging script on my wp-login page. I noticed that a particular ip address- 193.176.147.7 has been consistently visiting my login page for some days now. The vitis are always in quick ...
1
vote
2answers
248 views

Is it good security advice to install wordpress in subdirectory but link to root?

Is it good to install wordpress in a subdirectory (with a random name), but set "Homepage" address to domain root? (based on Giving WordPress Its Own Directory) Since the wp-content is in the ...