zackdesign

AliasIO

MJP Security Tools is a focused hardening plugin that does four things well:
<ul>
<li>XSS Database Scanner — scans every table for <code><script></code>, <code><iframe></code>, <code>onclick</code>, <code>javascript:</code> and other injection patterns</li>
<li>POST Request Log — records all POST data (passwords masked) with IP, user agent, and URL for CSRF/audit detection</li>
<li>Failed Login Log — tracks every failed login attempt with username, IP, and timestamp</li>
<li>File Permission Checker — verifies WordPress root files and directories have safe permissions, checks for missing <code>index.html</code> files and SVN working copies</li>
</ul>
What this plugin does NOT do (because WordPress core already handles it):
<ul>
<li>SSL enforcement — use <code>FORCE_SSL_ADMIN</code> or let WordPress 5.7+ auto-redirect</li>
<li>Password strength — WordPress core enforces strong passwords since 4.3</li>
<li>Login rate limiting — use a dedicated plugin like Limit Login Attempts Reloaded</li>
<li>Version number hiding — marginal benefit, not worth the complexity</li>
</ul>
Upgrading from v1.x:
<ul>
<li>The admin page has moved from jQuery UI tabs to native WordPress nav tabs</li>
<li>SSL forcing, password enforcement, login throttling, version hiding, admin username changing, database prefix randomization, password reset, and .htaccess generation have been removed — WordPress core and dedicated security plugins handle these better</li>
<li>PHP sessions replaced with WP transients for flash messages</li>
<li>Log data is now stored as JSON instead of serialized PHP</li>
<li>The Javacrypt client-side crypt(3) script has been removed</li>
</ul>

MJP Security Tools

Lightweight WordPress hardening — XSS database scanner, POST request logging, failed login logging, and file permission checker.

Sami Ahmed Siddiqui

This plugin helps safeguard your website against two common types of Cross-Site Scripting (XSS) vulnerabilities:
<ul>
<li>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.</li>
<li>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.</li>
</ul>
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.
<ul>
<li>Opening Round Bracket <code>(</code></li>
<li>Closing Round Bracket <code>)</code></li>
<li>Less than Sign <code><</code></li>
<li>Greater than Sign <code>></code></li>
<li>Opening Square Bracket <code>[</code></li>
<li>Closing Square Bracket <code>]</code></li>
<li>Opening Curly Bracket <code>{</code></li>
<li>Pipe or Vertical Bar <code>|</code></li>
<li>Closing Curly Bracket <code>}</code></li>
</ul>
Encoding: For an extra layer of security, the plugin encodes certain characters found in URL parameters. This stops harmful code from running, even if it’s present in the URL. You can also choose to exclude specific parameters from being encoded.
<ul>
<li>Exclamation Mark <code>!</code></li>
<li>Double Quotation <code>"</code></li>
<li>Single Quotation <code>'</code></li>
<li>Opening Round Bracket <code>(</code></li>
<li>Closing Round Bracket <code>)</code></li>
<li>Asterisk Sign <code>*</code></li>
<li>Less than Sign <code><</code></li>
<li>Greater than Sign <code>></code></li>
<li>Grave Accent “`</li>
<li>Cap Sign <code>^</code></li>
<li>Opening Square Bracket <code>[</code></li>
<li>Closing Square Bracket <code>]</code></li>
<li>Opening Curly Bracket <code>{</code></li>
<li>Pipe or Vertical Bar <code>|</code></li>
<li>Closing Curly Bracket <code>}</code></li>
</ul>
Escaping HTML in <code>$_GET</code>: This plugin automatically makes HTML characters safe within the <code>$_GET</code> variable. This is vital if your website pulls data from URLs and displays it as part of your web page. It helps prevent malicious scripts from being injected through user-provided input.
<h3>Important Notes:</h3>
<ul>
<li>After activating the plugin, thoroughly test your website forms, especially if you use WooCommerce. Make sure the plugin doesn’t interfere with your shopping cart and checkout processes.</li>
<li>We welcome bug reports for this plugin on GitHub: <a href="https://github.com/samiahmedsiddiqui/prevent-xss-vulnerability/issues" rel="nofollow ugc">https://github.com/samiahmedsiddiqui/prevent-xss-vulnerability/issues</a>. Please remember that GitHub is for bug reports only, not general support.</li>
</ul>
By using this plugin and following these recommendations, you can significantly improve your website’s defense against XSS attacks.

Prevent XSS Vulnerability

Very useful plugin.

This WP plugin blocks XSS by encoding harmful URL characters & safely handling HTML in $_GET. Customizable settings for enhanced website security.

MJP Security Tools vs Prevent XSS Vulnerability