Meta Tag Manager

3.2

• fixed security vulnerability CVE-2025-22260 reported by Rafie Muhammad via PatchStack

3.1

• fixed PHP 8.x warnings
• fixed minor PHP warning
• fixed minor security vulnerability where admin notices can be dismissed by unauthenitcated user (reported by Patchstack)
• fixed security vulnerability where arbritrary code could be exeuted by unserialize (kudos to Wordfence Security)

3.0.2

• fixed bug preventing settings from saving if schema settings are not selected
• added backward compatibility to 4.9 by allowing determine_locale() > get_locale() fallback

3.0.1

• fixed issues with schema settings saving
• fixed open graph twitter test link
• fixed some admin notice dismiss issues

3.0

• added open graph settings and support for home page
• added twitter card open graph settings and support for home page
• added schema / structured data / rich snippets front-page support
• added easy site verification settings
• added SCRIPT_DEBUG and MTM_DEBUG constant checks to decide whether to load non-minified files
• moved context checking for a tag into MTM_Tag functions,
• added Meta_Tag_Manager::is_archive()
• fixed Meta_Tag_Manager::is_archive_page() to account for static posts page
• added multiple actions and filters to MTM_Builder output
• added multiple actions and filters to MTM_Tag object
• fixed Array PHP caused by potentially non-existent contexts in a meta tag admin panel
• added extra sanitization/validation of submitted context list in a tag
• added MTM_Builder::get_contexts_list() to remove redundant code when excluding
• tweaked JS and display issues for showing context lists in header of admin meta tag card
• fixed css aesthetic issue when clicking a selectize active item turing grey
• tweaked context selectize js to be more flexible and reusable for other context fields
• moved admin-related files into admin folder
• moved settings tab sections into dedicated files
• moved handling of setting saving to Meta_Tag_Manager_Admin with a redirect instead of saving on same page load

2.3

• added multiple filters and actions for easier extension
• added use of overridable MTM_Tag::get_content() during the output() method
• fixed empty choice of post types resulting in ‘Array’ default selection value
• fixed display/functionality issues of MTM editor in post editors when no custom post types are chosen for MTM inclusion on settings page
• added facebook-domain-verification name type selection

2.2

• updated jQuery scripts to remove deprecated functions in jQuery 3.5
• updated selectize.js library to 0.13.3

2.1.3

• updated selectize library to v0.13 which fixes issues with name tags containing custom values
• fixed minor php warning

2.1.2

• fixed WordPress 5.5 conflict (props to @seserss)

2.1.1

• fixed tags not getting deleted from CPT pages
• fixed attachments not saving meta information
• added precedence for duplicate meta tags within MTM so only one is shown per page depending on specificity

2.1

• removed freemius insights
• changed default instllation to include all CPTs
• fixed PHP warning when mtm_data is missing during initial installation
• changed sanitization of content attribute when http-equiv=”Link”, allowing for prefetch rules

2.0.2

• fixed front page meta tags not showing if using a static front page

2.0.1

• updated freemius SDK to prevent PHP notices

2.0

• complete rewrite of plugin using up-to-date WP best practices
• improved interface for adding meta tags including support for creating tags using either the property, charset, http-equiv or itemprop attributes
• added ability to add individual meta tags to specific individual CPTs which can be chosen in settings page

1.2

• fixed stripslashes bug
• added languages

1.1

• Added danish translation
• Fixed added slashes for apostrophe values

1.0

• code styling: code now wrapped in classes
• bug fixed: magic quotes
• bug fixed: character escaping using wp_specialchars on the site and htmlspecialchars on the admin page
• separated the code into two .php files
  • meta-tag-manager.php the main plugin file, always loaded, contains minimal code to reduce loading time
  • meta-tag-manager-admin.php contains the admin backend parts of the plugin and is only loaded in the backend
• i18n
• l10n for: de_DE (language file by Martin Lormes)
• meta tags can be flagged to appear on the homepage only
• fixed bug which threw a Notice error when no meta tags were defined
• fixed the bug where the rss feeds kept breaking