12 Signs Your WordPress Site Is Hacked (And How to Fix It)

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We are often asked, how do I check if my WordPress site has been hacked?

There are some common telltale signs that may help you figure out if your WordPress is hacked or compromised.

In this article, we’ll share some of the most common signs that your WordPress site is hacked and what you can do to clean it up.

Signs to look for when your WordPress website is hackedSigns to look for when your WordPress website is hacked

1. Sudden Drop in Website Traffic

If you look at your analytics reports and see a sudden drop in traffic, even though Google Analytics is set up properly, then this could be a sign that your WordPress site is hacked.

A sudden drop in traffic can be caused by different factors.

For instance, malware on your website may be redirecting non-logged-in visitors to spam websites.

Another possible reason for the sudden drop in traffic could be that Google’s safe browsing tool is showing warnings to users regarding your website.

Google safe browsing malware warningGoogle safe browsing malware warning

Each day, Google blacklists around 10,000 websites for malware and around thousands more for phishing. That’s why every website owner needs to pay serious attention to their WordPress security.

You can check your website using Google’s safe browsing tool to see your safety report.

2. Bad Links Added to Your Website

Data injection is one of the most common signs of a hacked WordPress. Hackers create a backdoor on your WordPress site which gives them access to modify your WordPress files and database.

Some of these hacks add links to spammy websites. Usually these links are added to the footer of your website, but they could be anywhere. Deleting the links doesn’t guarantee that they won’t come back.

You will need to find and fix the backdoor used to inject this data into your website. See our guide on how to find and fix a backdoor in a hacked WordPress site.

3. Your Website’s Homepage is Defaced

Defaced WordPress websiteDefaced WordPress website

This is probably the most obvious one as it is clearly visible on the homepage of your website.

Most hacking attempts do not deface your site’s homepage because they want to remain unnoticed for as long as possible.

However, some hackers may deface your website to announce that it has been hacked. Such hackers usually replace your homepage with their own message. Some may even try to extort money from site owners.

4. You are Unable to Login into WordPress

login error username not registered on sitelogin error username not registered on site

If you are unable to login to your WordPress site, then there is a chance that hackers may have deleted your admin account from WordPress.

Since the account doesn’t exist, you would not be able to reset your password from the login page.

There are other ways to add an admin account using phpMyAdmin or via FTP. However, your site will remain unsafe until you figure out how the hackers got into your website.

5. Suspicious User Accounts in WordPress

Suspicious user accounts in WordPressSuspicious user accounts in WordPress

If your site is open to user registration, and you are not using any spam registration protection, then spam user accounts are just common spam that you can simply delete.

However, if you don’t remember allowing user registration and still seeing new user accounts in WordPress, then your site is probably hacked.

Usually the suspicious account will have the administrator user role, and in some cases you may not be able to delete it from your WordPress admin area.

6. Unknown Files and Scripts on Your Server

Suspicious filesSuspicious files

If you’re using a site scanner plugin like Sucuri, then it will alert you when it finds an unknown file or script on your server.

To find the files, you need to connect to your WordPress site using an FTP client. The most common place where you will find malicious files and scripts is the /wp-content/ folder.

Usually, these files are named similarly to WordPress files so that they can hide in plain sight. To recognize them yourself, you will need to audit the file and directory structure. However, deleting these files will not guarantee that they won’t return.

7. Your Website is Often Slow or Unresponsive

Slow or unresponsive websiteSlow or unresponsive website

All websites on the internet can become the target of random denial of service or DDoS attacks. These attacks use several hacked computers and servers from all over the world using fake IP addresses.

Sometimes they are just sending too many requests to your server, while other times they are actively trying to break into your website.

Any such activity will make your website slow, unresponsive, and unavailable. You can check your server logs to see which IPs are making too many requests and block them, but that may not fix the problem if there are too many or if the hackers change IP addresses.

It is also possible that your WordPress site is just slow and not hacked. In that case, you should follow our guide to boost WordPress speed and performance.

8. Unusual Activity in Server Logs

Server logsServer logs

Server logs are plain text files stored on your web server. These files keep record of all errors occurring on your server as well as all your internet traffic.

You can access them from your WordPress hosting account’s cPanel dashboard under Statistics.

These server logs can help you understand what’s going on when your WordPress site is under attack.

They also contain all the IP addresses used to access your website, so you can block suspicious IP addresses.

They will also indicate server errors that you may not see inside your WordPress dashboard and may be causing your website to crash or be unresponsive.

9. Failure to Send or Receive WordPress Emails

Email issuesEmail issues

Hacked servers are commonly used for sending spam. Most WordPress hosting companies offer free email accounts with your hosting. Many WordPress site owners use their host’s mail servers to send WordPress emails.

If you are unable to send or receive WordPress emails, then there is a chance that your mail server is hacked to send spam emails.

10. Suspicious Scheduled Tasks

WordPress cron controlWordPress cron control

Web servers allow users to set up cron jobs. These are scheduled tasks that you can add to your server. WordPress itself uses cron to setup scheduled tasks like publishing scheduled posts, deleting old comments from trash, and so on.

A hacker can exploit cron jobs to run scheduled tasks on your server without you knowing it.

To learn more about cron jobs, see our guide on how to view and control WordPress cron jobs.

11. Hijacked Search Results

Search results hijackedSearch results hijacked

If the search results from your website show incorrect titles or meta descriptions, then this is a sign that your WordPress site is hacked.

Looking at your WordPress site, you will still see the correct title and description.

The hacker has again exploited a backdoor to inject malicious code which modifies your site data in a way that it is visible only to search engines.

12. Popups or Pop Under Ads on Your Website

Spam popupsSpam popups

These types of hacks are trying to make money by hijacking your website’s traffic and showing them their own spam ads.

These popups do not appear for logged in visitors or visitors accessing a website directly.

They only appear to the users visiting from search engines. Pop-under ads open in a new window and remain unnoticeable by users.

13. Core WordPress Files Are Changed

Core WordPress files changedCore WordPress files changed

If your core WordPress files are changed or modified in some way, then that’s an important sign that your WordPress site is hacked.

Hackers may simply modify a core WordPress file and place their own code inside it. They may also create files with names similar to WordPress core files.

The easiest way to track those files is by installing a WordPress security plugin that monitors the health of your core WordPress files. You can also manually check your WordPress folders to look for any suspicious files or scripts.

14. Users Are Randomly Redirected to Unknown Websites

Spam redirectsSpam redirects

If your website is redirecting visitors to an unknown website, then that’s another important sign that your website may be hacked.

This hack often goes unnoticed as it does not redirect logged-in users. It may also not redirect visitors accessing the website directly by typing the address in their browser.

These types of hacks are often caused by a backdoor or malware installed on your website.

Securing and Fixing Your Hacked WordPress Site

Cleaning up a hacked WordPress site can be incredibly painful and difficult. This is why we recommend you let experts clean up your website.

We use Sucuri to protect all our websites. See how Sucuri helped us block 450,000 WordPress attacks in 3 months.

It comes with 24/7 website monitoring and a powerful website application firewall, which blocks attacks before they even reach your website. Most importantly, they clean up your website if it ever gets hacked.

If you want to clean up your site on your own, then take a look at our beginner’s guide on fixing a hacked WordPress site.

Keeping Your WordPress Website Secure from Future Attacks

Once your website is clean, you can make secure it by making it extremely difficult for hackers to gain access to your website.

Securing a WordPress website involves adding layers of protection around your website. For instance, using strong passwords with 2-step verification can protect your WordPress admin area from unauthorized logins.

Similarly, you can block access to important WordPress files to protect them or set WordPress files and folder permissions correctly.

For more details, see our ultimate WordPress security guide which will walk you through all the steps you should take to make your WordPress site secure.

We hope this article helped you learn the signs to look for in a hacked WordPress site.

You may also want to see our guide on how to get a free SSL certificate, or our expert comparison of the best business phone services for small business.

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