MainWP Security Update September 7 2015

[box type=”shadow”]Please check this post for additional information as of September 8th 2015![/box]

This is something we have been tracking today and we currently have reports from 5 users about someone targeting MainWP users using versions of the MainWP Child Plugin older than 2.0.27.

On each site, we were able to check, an older version of the Child Plugin was being used. Using this exploit the person is able to gain full access to your Child sites.  

If you updated last week to the current version you should be fine but we added a simple test and cleanup into the MainWP Dashboard so that you can test.

First Update all your Child Plugins to 2.0.28

How to test and cleanup

Even if your sites pass all checks if you are still worried you can run the MainWP Cleanup plugin.

Now, let’s run a check to see if any new users were added that are suspect.

Search for mainwp-child-id- user

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  1. Go to the MainWP > Users > Manage page (/wp-admin/admin.php?page=UserBulkManage)
  2. In the Search Users form enter “mainwp-child-id-”
  3. Select All Child sites
  4. Click the Search Users button

If you see any users with that name install and run the MainWP Cleanup Plugin
Now let’s look for the suspect plugin

Search for WordPress admin security plugin (this plugin is not the cause just what they are using)

  1. Go to the MainWP > Plugins > Manage page (wp-admin/admin.php?page=PageBulkManage);
  2. Make sure that the Active filter is selected in the Status dropdown;
  3. In the Containing Keyword field, enter “Wordpress admin security”;
  4. Select All Child sites;
  5. Click the Show Plugins button

If you see any of those I recommend you download our MainWP Cleanup plugin which automatically goes through and cleans up possibly infected files based on what we have seen from users.

Now that your Child site is clean it’s time to change your admin passwords

Steps for Changing Admin Passwords:

  1. Go to the MainWP > Users > Admin Passwords page (/wp-admin/admin.php?page=UpdateAdminPasswords)
  2. Select All Child Sites (or go one by one to make each password different)
  3. Set New Password
  4. Click the Update Now button

Set MainWP Child as a “Trusted Plugin”

I always recommend checking your Dashboard and updating any plugins as soon as an update is needed but sometimes we are away, busy or have something else keeping us from checking our Dashboards daily.
This is especially true with open source plugins since once a security fix is released all someone needs to do is compare the two different versions of the code to see what changes have been fixed and then target older versions.

To help you in these situations MainWP includes a “Trusted Plugin” system which allows your Dashboard to update a plugin for you if you haven’t done it in 24 hours.

Please follow these steps.

First, we need to tell your Dashboard you want to auto update the Trusted Plugins:

  1. Go to Settings  (/wp-admin/admin.php?page=Settings)
  2. Locate “Automatic Daily Update”
  3. Set that to “Install Trusted Updates”
  4. Press “Save Settings”

Now that your Dashboard knows to look for these updates let’s tell it that you trust the MainWP Child plugin (or any other plugin) to automatically be updated.

  1. Go to Plugins
  2. Then Auto-Updates
  3. Select Status “All Plugins”
  4. Trust Status “All Plugins”
  5. Containing KeyWord “MainWP” and press “Show Plugins”
  6. Press the Box next to MainWP to add checkbox
  7. From the top left column drop down select “Trust”
  8. Press “Confirm”

Your MainWP Child plugin is now trusted and will be auto-updated 24 hours after an update is released if you do not do it before that.

In the next couple of days I’ll try to do a break down blog post of the issue.

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