Sandbox Iframes From Untrusted Sites in Your Content
Adds a restrictive sandbox to iframes in posts that come from sites not on your trusted list, so an embedded page cannot redirect your visitors, open pop-ups or run scripts against your site.
Snippet Library
Snippets that harden WordPress: turn off XML-RPC, hide the version number, stop user enumeration, add security headers and block risky uploads. Small, reviewable changes for site owners who want fewer attack points without a heavy security plugin.
Adds a restrictive sandbox to iframes in posts that come from sites not on your trusted list, so an embedded page cannot redirect your visitors, open pop-ups or run scripts against your site.
Sends nosniff, a strict referrer policy, a restrictive permissions policy and a cross-origin opener policy on dashboard and login pages, which front-end header snippets do not cover.
Sends comments written mostly in Cyrillic, Chinese, Arabic or another script your readers do not use to the spam queue, where most of them belong.
Adds a short tip about choosing a strong, unique password just above the MemberPress checkout button.
Adds integrity and crossorigin attributes to the CDN-hosted scripts and stylesheets you list, so browsers refuse to run them if the CDN copy is ever tampered with.