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Malware deletes folders and files on your WordPress site!

Malware deletes folders and files on your WordPress site!

Is it possible for malware to delete folders and files on a WordPress site? We would like to explain this.

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WordPress malware Fake browser update page

WordPress malware Fake browser update page

Recently there has been an increase in WordPress malware that displays a fake browser update page. We will explain this malware.

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File containing index.html.bak.bak infecting malware index.php

File containing index.html.bak.bak infecting malware index.php

This section describes malware files including index.html.bak.bak that infects index.php.

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Causes of images not displaying, menus not displaying, or layout collapsing after SSL conversion

Causes of images not displaying, menus not displaying, or layout collapsing after SSL conversion

This section explains the causes and countermeasures for images not displaying, menus (animated child menus) not displaying, and layout collapsing due to style sheet loading failure after SSL conversion.

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5 characteristics of malware files that infect WordPress

5 characteristics of malware files that infect WordPress

Here are some characteristics of malware files that can infect WordPress. If such a file is found on the server, it is most likely malware.

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Introduction of an online malware scanner that allows you to scan for malware online

Introduction of an online malware scanner that allows you to scan for malware online

We are pleased to announce the release of our new free service “Online Malware Scanner” on WordPress Doctor.

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What is Japanese SEO Spam, a type of WordPress malware?

What is Japanese SEO Spam, a type of WordPress malware?

We will explain about Japanese SEO Spam, which is a malware that embeds fake Japanese product sites in WordPress.

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WordPress malware Redirect to fake login page

WordPress malware Redirect to fake login page

Recently, there have been an increasing number of cases of malware that direct users to a new type of fake login page. We will explain this malware.

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Does it make sense to turn off allow_url_fopen on a wordpress server to improve security?

Does it make sense to turn off allow_url_fopen on a wordpress server to improve security?

We recently received a question about allow_url_fopen on WordPress Doctor. We believe that there is little point in turning off allow_url_fopen on WordPress Doctor for security reasons. I would like to explain the reason for this.

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Disable updating only certain plugins in wordpress

Disable updating only certain plugins in wordpress

This section explains how to rewrite the version to a higher value so that only certain plugins cannot be updated in WordPress.

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10 unauthorized WordPress access files

10 unauthorized WordPress access files

Here are the most common unauthorized accesses that hackers target WordPress as of September 2023.

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If your wordpress index.php has a one line include statement @include it is infected with malware

If your wordpress index.php has a one line include statement @include it is infected with malware

If there is a one-line include statement @include in the index.php in the top directory of WordPress or in the theme, etc., it is highly likely that the site is infected with malware.

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Change WordPress database prefix to prevent SQL injection

Change WordPress database prefix to prevent SQL injection

You can reduce the chances of a successful SQL injection by changing the prefix of your WordPress database. We will explain how to do this.

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If you can't find wordpress malware, where is the malware hidden?

If you can’t find wordpress malware, where is the malware hidden?

We will explain how hackers hide malware when WordPress has been defaced and no malware is found.

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What is the most common vulnerability cross-site scripting in WordPress?

What is the most common vulnerability cross-site scripting in WordPress?

The most common vulnerability in WordPress is called Cross Site Scripting (XSS). We would like to explain about this vulnerability.

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WordPress SiteGuard plugin may erase HTACCESS or cut off the setting in the middle.

WordPress SiteGuard plugin may erase HTACCESS or cut off the setting in the middle.

We have received several inquiries from WordPress Doctor customers about cases of HTACCESS disappearing, settings being cut off in the middle, and 500 errors.

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Regarding the detected unauthorized access list that visualizes attacks on WordPress

Regarding the detected unauthorized access list that visualizes attacks on WordPress

We have received several inquiries about the “Detected Unauthorized Access List” feature of the WordPress Doctor Malware Scanner, so we will explain it here.

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WordPress site defacement hacking for SEO purposes. what is SEO spam?

WordPress site defacement hacking for SEO purposes. what is SEO spam?

The most common type of WordPress tampering these days is the hacking of WordPress sites for SEO purposes. We will explain this SEO spam.

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