Prevent XSS Vulnerability
This WP plugin blocks XSS by encoding harmful URL characters & safely handling HTML in $_GET. Customizable settings for enhanced website security.
5(7 reviews)
·6.0K+ active installs·Updated 8 months agoAs of April 2026, Prevent XSS Vulnerability is a WordPress xss plugin with 6.0K+ active installations and a 5/5 rating from 7 reviews. It has been downloaded 76K+ times in total. Requires WordPress 3.5+ and PHP 5.6+. Available on WordPress.org since 2017. Download volume is stable this week. Top alternative: Content Security Policy Manager.
5/57 reviews
6.0K+active installs
76K+total downloads
9 yearssince 2017
Overview
This plugin helps safeguard your website against two common types of Cross-Site Scripting (XSS) vulnerabilities:
- Reflected XSS: This happens when harmful scripts are hidden in a website’s URL. If a user clicks a link with such a script, it can run in their browser, potentially stealing their data or taking control of their system.
- Self-XSS: This occurs when a user’s own input on your website is displayed back to them in an unsafe way, allowing malicious scripts to run in their browser.
This plugin provides several layers of protection:
Blocking: When active, the plugin checks URLs for specific characters. If it finds any of these characters in the URL, it redirects the user to prevent a potential XSS attack. You can customize which characters to block or allow.
- Opening Roun…
Screenshots
Ratings & Reviews
57 reviews
5 ★
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Recent Reviews
simple buy effective
by roadlink·2 years ago
I got positive on scan websites
Awesome plugin for security issues.
by Sakthivel·4 years ago·1 reply
Thanks for the awesome plugin. it helps to fix the XSS attacks. But we need to add more special charter to include manually like exclude list. this helps for every one-> feature Request.
keep rocking!!!…
Regards,
Saravanan
Excellent
by randystepanek·5 years ago
We were being harassed by our ISOs because the Acunetix scans kept coming back with HIGHs. Always XSS. We tried everything the report recommended as a remediation…nothing worked.
This plugin should come bundled with WP. Or at the very least be added to the list of recommendations Acunetix suggests.
Thank you for creating and sharing it.
Very useful plugin.
by Mohamed Abd Elhalim·6 years ago
Very useful plugin, thank you!
Seems to work well!
·6 years ago
We were directed by a security researcher to an XSS vulnerability on our site, and this plugin seems to have solved the issue. Only plugin with this functionality I was able to find. Fairly straightforward and flexible.
Download Trends
Today: 22Yesterday: 31This week: 158Period total: 16K
Compatibility
| WordPress | 3.5+ requiredTested up to 6.8.5 |
| PHP | 5.6+ required |
Version Adoption
v2.1
60.7%
v2.0
34.3%
Other
5.1%
Top Alternatives to Prevent XSS Vulnerability
Frequently Asked Questions
Changelog
2.1.0 – July 03, 2025
- Key Changes & Improvements:
- Enhanced Console Visibility: The prominent “Stop!” message now appears in a much larger (48px), bold, red font with a black text shadow to grab immediate attention. The main warning message also uses a larger, more readable font (20px).
- Improved Console Grouping: The entire Self-XSS warning is now grouped within a
console.group('Self-XSS Warning')block. This keeps all related messages together in the developer console, making the warning stand out and preventing it from getting lost among other console output.
Contributors
Plugin data sourced from WordPress.org. Analysis and metrics by PluginSift.