Last Chance: Cyber Monday 40% OFF



Tackle WordPress weaknesses and fortify your website Learn more

Cross-site Scripting, also referred to as “XSS”, are are the most common attacks on the web where malicious scripts are injected into a website. These malicious scripts could be injected into normally trusted websites via a number of different methods. Because the browser expects the script to be part of the trusted website, it is hard to identify as a malicious script. Once a malicious script has been injected into a WordPress website, the attacker can perform all kinds of attacks:

  • The information on your website in may be changed in the users browser. For example, the attacker could change the bank account number displayed on your site
  • Your websites visitors could be show advertisements or redirected to different  websites (often gambling, porn or crypto scam related)
  • Your website visitors browsers could be used to mine crypto currencies or make them participating in attacks on other websites
  • The attacker could steal sensitive user information from your website
  • The attacker could steal authentication cookies, hijack the user’s session and take over the account

Cross-site scripting attacks and WordPress

The cause of Cross-site Scripting vulnerabilities in your website is almost always due to insecure code in WordPress or installed plugins & themes. No longer supported versions of WordPress, plugins & themes and nulled / pirated plugins & themes are a high risk. But even WordPress and many plugins & themes developed by experienced and trusted developers have had known vulnerabilities in the past. A good developer will usually fix a known vulnerability fast, mostly before it is even known to the public.

Thus, the most important thing you can do to protect against Cross-site scripting is to keep your WordPress version and all plugins & themes up-to-date.  There will be times when there are unfixed vulnerabilities in WordPress, plugins & themes though. In this case many Cross-site Scripting attacks can still be prevented by setting a good Content Security Policy for your site.


Table of Contents

Peter Tak

Peter Tak

Security Officer at Really Simple Plugins

Read More

Advanced Security

Tackle WordPress weaknesses and fortify your website. New hardening features!


Want to know the in and outs of security jargon? Get to know our features.

Premium support will offer assistance in 24 hours. If you need help, or have any questions just contact our awesome support team/

Related articles