Best xss plugins for WordPress
The most popular xss plugins for WordPress in November 2026, in WordPress.org’s own popular order, which follows active installs. Prevent XSS Vulnerability leads with 6K+ active installs, ahead of Content Security Policy Manager (2K+) and Basic Security (200+). All 15 plugins tagged “xss” are below, with figures from WordPress.org that update every day.
Installs aren’t everything: a recent release, a “Tested up to” that matches the current WordPress, and support threads that get resolved show a plugin is looked after. Open any plugin for its downloads, rank history and alternatives.
Research this niche or see all plugins.
Top 10 xss plugins
- 1.
Prevent XSS VulnerabilityThe most installed xss plugin, with 6K+ active installs. Rated 5.0 from 7 reviews, last updated 1 year ago. Tested only up to WordPress 6.8.12.
- 2.
Content Security Policy Manager2K+ active installs. Rated 4.3 from 6 reviews, last updated 4 years ago. Tested only up to WordPress 6.1.16.
- 3.
Basic Security200+ active installs. Only 1 review so far, updated 1 week ago.
- 4.
HTML Purified50+ active installs. No reviews yet, last updated 14 years ago. Tested only up to WordPress 3.3.2.
- 5.
Shieldfy Security Firewall and Anti Virus30+ active installs. Only 3 reviews so far, last updated 7 years ago. Tested only up to WordPress 4.9.35.
- 6.
BaseCloud Security Manager20+ active installs. Only 2 reviews so far, updated 8 months ago. Tested only up to WordPress 6.8.12.
- 7.
BoundaryGuard Headers10+ active installs. No reviews yet, updated 2 months ago.
- 8.
Embed post as JavaScript10+ active installs. No reviews yet, last updated 15 years ago. Tested only up to WordPress 3.1.4.
- 9.
Headit10+ active installs. No reviews yet, last updated 9 years ago. Tested only up to WordPress 4.4.34.
- 10.
Block scripts A10+ active installs. No reviews yet, last updated 8 years ago. Tested only up to WordPress 4.7.39.
All 15 plugins tagged “xss”
Prevent XSS Vulnerability
Up in the last 7 days:2#2,792by Sami Ahmed Siddiqui1 year ago
This WP plugin blocks XSS by encoding harmful URL characters & safely handling HTML in $_GET. Customizable settings for enhanced website security.
- Installs
- 6K+
- Rating
- 5.0(7)
- Downloads
- 46/day
Content Security Policy Manager
Up in the last 7 days:12#4,835by Patrick Sletvold4 years ago
Plugin for configuring Content Security Policy headers for your site. Allows different CSP headers for admin, logged inn frontend and regular visitors
- Installs
- 2K+
- Rating
- 4.3(6)
- Downloads
- 22/day
Basic Security
Down in the last 7 days:11#11,716by Jose Mortellaro11 days ago
It helps in preventing Cross Site Scripting (XSS) with just a few lines of code.
- Installs
- 200+
- Rating
- 5.0(1)
- Downloads
- 11/day
HTML Purified
Up in the last 7 days:282#20,662by John Godley14 years ago
HTML Purified replaces the default comments filters with the more secure HTML Purifier.
- Installs
- 50+
- Rating
- –
- Downloads
- 11/day
Shieldfy Security Firewall and Anti Virus
Down in the last 7 days:312#23,854by Shieldfy8 years ago
Shieldfy is a cloud-based security shield for your website to protect it from web attacks and malwares.
- Installs
- 30+
- Rating
- 5.0(3)
- Downloads
- 11/day
BaseCloud Security Manager
Down in the last 7 days:299#27,912by BaseCloud8 months ago
🛡️ Enterprise-grade WordPress security made simple. Implement military-standard HTTP security headers with zero technical knowledge required.
- Installs
- 20+
- Rating
- 5.0(2)
- Downloads
- 0/day
BoundaryGuard Headers
Down in the last 7 days:407#33,095by Jay Suthar2 months ago
Automatically enforces essential HTTP security headers to protect your site from XSS, clickjacking, and protocol downgrade attacks.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Embed post as JavaScript
Down in the last 7 days:104#34,115by possan15 years ago
Lets the user embed posts on other pages using a simple script-tag on the target page
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Headit
#35,312by StampyCode9 years ago
Headit is a simple plugin to allow you to add custom HTTP response headers to your site.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Block scripts A
Down in the last 7 days:7,840#45,555by oleksandr878 years ago
A simple plugin that blocks external scripts, XSS, RFI, SQL injections
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
MJP Security Tools
Down in the last 7 days:1,097#46,008by zackdesign8 months ago
Lightweight WordPress hardening — XSS database scanner, POST request logging, failed login logging, and file permission checker.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Cybershield Firewall
Down in the last 7 days:3,087#46,013by SECURAS TECHNOLOGIES2 years ago
CyberShield, Your First Line of Defense Against Web Attacks.
- Installs
- 10+
- Rating
- –
- Downloads
- 0/day
Codo Content Security Policy
#56,926by Codo Digital Ltd1 day ago
Just Content-Security-Policy, not a security suite. Starts in Report-Only, with draft policies, built-in violation reports and page scanning.
- Installs
- <10
- Rating
- –
- Downloads
- 123/day
Security Headers Audit
#57,221by Chowdhari Chetan4 months ago
Manage HTTP security headers, monitor Content Security Policy (CSP) violations, capture browser console errors, and maintain a complete audit trail of …
- Installs
- <10
- Rating
- –
- Downloads
- 0/day
AiutoComputerHelp Stored Payload Audit
#74,086by aiutocomputerhelp1 month ago
Read-only scan of selected WordPress database tables for possible stored XSS indicators, with safe plain-text inspection of flagged values.
- Installs
- <10
- Rating
- –
- Downloads
- 0/day