By default WordPress sends an HTTP header to prevent iframe embedding on /wp_admin/ and /wp-login.php:
X-Frame-Options: SAMEORIGIN
That’s a security feature. If you want to remove this header remove the filters:
remove_action( 'login_init', 'send_frame_options_header' );
remove_action( 'admin_init', 'send_frame_options_header' );
But you should really use the multisite feature as Tom J Nowell suggested.
Related Posts:
- What is the purpose of having a token in cookies?
- How to save iframe tag into a post?
- SSL Error: unable to get local issuer certificate
- When you use ‘badidea’ or ‘thisisunsafe’ to bypass a Chrome certificate/HSTS error, does it only apply for the current site? [closed]
- Why does the URL http://a/%%30%30 crash Google Chrome?
- When you use ‘badidea’ or ‘thisisunsafe’ to bypass a Chrome certificate/HSTS error, does it only apply for the current site?
- Can an attacker use inspect element harmfully?
- Where does Internet Explorer store saved passwords?
- Infected Files – what to do [closed]
- WordPress 4.7.1 REST API still exposing users
- Should I escape wordpress functions like the_title, the_excerpt, the_content
- When to use esc_html and when to use sanitize_text_field?
- Why does WordPress have more than one salt?
- What is the ideal setup to address security concerns?
- Will there be security updates for 3.1 once 3.2 is released?
- WordPress it’s cleaning a custom query_var to avoid sql injections?
- Tips for finding SPAM links injected into the_content
- Close a wordpress blog – keep site as it is but prevent hacks
- Is WordPress vulnerable to the httpoxy?
- Prevent setup-config.php page from appearing when host blocks database
- wp.getUsersBlogs XMLRPC Brute Force Attack/Vulnerability
- WordPress and Security
- Is /wp-login.php?redirect_to[] exploitable?
- Logout via Subdomain, non-wordpress page on a different server?
- WP Cron doesn’t save or in post body
- brute force attack even though it is limited by IP
- What should I do about hacked server?
- How do I authenticate WP users from a chrome extension?
- Can’t reset WordPress password
- Website is being flooded [closed]
- Is it possible to reduce the minimum character length for passwords?
- Handling email piping attachments and detecting unsupported file types
- Should I Worry About SQL Injection When Using wp_insert_post?
- Auth cookie value security risk?
- Is there a way for a user to have an alias?
- Security – Shortcode injection attack
- Registration Plugin – Recaptcha integration
- How to combat flooding admin-ajax.php?
- Moving away from MD5: Where to declare the custom global $wp_hasher?
- Would it be dangerous to send all the wp_options to javascript file?
- Frequently getting attacks on admin-ajax.php, wp-cron.php, xmlrpc.php and wp-login.php
- Should I disable directory listing for wp-includes?
- How to get WordPress to send Password Reset Link Email instead of New Password?
- Safety side of storing emoji into database
- Verifying that I have fully removed a WordPress hack?
- Large Session Tokens
- How can I safely hide the fact that my website runs on WordPress? [closed]
- How to change permissions of WordPress and/or apache on macOS securely?
- How can I display nickname instead username in links
- My WordPress Websites are always under attack
- Is there value in using a wp_nonce for POST requests?
- Using an Encryption class in a WordPress Plugin
- How to hide easy access to my website temporarily?
- Can I Remove xmlrpc.php completely?
- Config file with no Keys..?
- How much should I worry about these messages?
- Uploading .webm format on WordPress results in security guidline breach and fail
- Any any insecure http:// URLs left in wordpress?
- White screen of death on admin pages after moving wp-config up two levels for security
- .htaccess password protection bypassed
- Session Cookie security questions
- Storing FTP details in wp-config.php
- Can a WordPress administrator see other users’ passwords?
- Why my plugins are updating automatically?
- Spam injected in w3 total cache page cache [closed]
- Privilege escalation bugs in 2.9?
- Content-Security-Policy blocks WordPress check boxes from being activated
- How to distinguish between a hack and an encoding error?
- Prevent editor from adding script or form
- How to change location of wp-config.php to folder or 2 folders up?
- Finding where a snippet of code is coming from
- wordpress admin security
- Remove hacked code – out of ideas! [closed]
- Why do people use “admin” username by default? [closed]
- WordPress Database Re-installed (Hacked)
- WordPress Security tools
- Robots.txt file not updating
- Security: Critical backend outside of wordpress
- Advice On How to Backup WordPress
- How can I stop other plugins from using my class’ sensitive methods?
- What are WordPress Current Security Issues in 2017?
- wp-config.php moved above root results in no plugin updates
- Password-protect feed and make it usable in major aggregators
- Should I change the default file and folder permissions?
- How to rewrite rules for WP-security in Nginx?
- how to find the way they hacked my WP site
- How to set custom validation for WordPress Passwords?
- Is it a bad idea to CHMOD 777 all the files on your site?
- How to stop repeated hack on header.php of custom theme? [closed]
- is this code properly secured
- nginx + wordpress: Best practices for configuring it to be secure, reliable, and fast? [closed]
- How to get real password (before encrypt) when register a user?
- Directory to store secure file
- How can I give someone server access to only duplicate and modify a site?
- WP-JSON: Cross Origin Resource Sharing Vulnerability?
- How can I implement ansible with per-host passwords, securely?
- Why should I firewall servers?
- Does drilling a hole into a hard drive suffice to make its data unrecoverable?
- Can you alter the default wordpress strong password requirements?
- how to sanitizing $_POST with the correct way?