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manifest / security / sog

SOG

Protect users before they leave the site. Professional, concise, and memorable.

by Agustin S · github.com/asantar0/sog

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Install

No release zip yet. The repository archive installs, but the folder name will carry the branch suffix and updates will not flow:

wp plugin install https://github.com/asantar0/sog/archive/refs/heads/main.zip
Readme github.com/asantar0/sog ↗

SOG – Secure Outbound Gateway for WordPress

SOG (Secure Outbound Gateway) is a WordPress plugin that displays a customizable warning when visitors click on external links. It is designed for websites that prioritize security, transparency, and control over user behavior when leaving the site.

Why?

Comply with regulations or good practices

  • Regulations such as GDPR, HIPAA, and even internal guidelines from many public and private institutions recommend warning users before redirecting them off-domain.
  • It can be part of a security or UX (user experience) audit.

Reduce legal and reputational risks

If your site redirects to third-party services (links to banks, affiliates, etc.), notifying the user before leaving can protect you from claims if that third party has problems.

Improve user experience and build trust

  • When visitors see a warning like, "You are about to leave this site," they feel that you care about their security.
  • This increases the perception of the website or company's seriousness.

Key Features

  • Legal warning modal before leaving the site.
  • Customizable text with a professional design.
  • Automatic logging of external link clicks.
  • Whitelist for trusted domains or internal subdomains.
  • Visual style adaptable via CSS.
  • Use of ipinfo.io to log Countries.
  • Localstore in order to avoid warning message to same site accepted.
  • Email alerting changes (enable, disable, update).

The plugin offers an optional feature to automatically add rel="noopener noreferrer" to all external links.

  • noopener: Prevents the new tab from accessing window.opener, mitigating tabnabbing attacks.
  • noreferrer: In addition to blocking window.opener, this prevents the Referer (source URL) from being sent to the destination site.

Why it matters

  • Security: Prevents reverse tabnabbing attacks.
  • Privacy: Stops leaking the source site through HTTP Referer.

Installation

From source

  1. Clone or download the repository:

    git clone https://github.com/asantar0/sog.git

  2. Upload the sog folder to your /wp-content/plugins/ directory.

  3. Activate the plugin from the WordPress admin dashboard.

From release

Go to release section in this proyect.

Admin panel

From the WordPress backend you can:

  • Edit the whitelist of trusted domains.
  • Automatically validate that the entered URLs are correctly formatted.
  • Delete the audit log with a single click.
  • Set IP Info token.
  • Enable or disable an automatic email notification each time the log is deleted.

Roadmap

  • Admin panel with click statistics
  • Multi-language support (WPML, Polylang, browser detection)
  • Advanced exceptions (by pattern, link type, or category)
  • Log export (CSV)
  • Integration with Google Analytics or Matomo
  • Delete accepted domains button
  • Tracking with Matomo/Google Analytics/Microsoft Clarity

License

This plugin is released under the MIT License.

Contact

For feature requests, improvements, or bug reports, please open an issue in this repository.

agustins@root-view.com

Donations

If you find this plugin useful, you can buy me a coffee: