You probably downloaded a theme or plugin that added a “backdoor.” Otto has a good post on the subject:
Related Posts:
- Experiences with adding Nonces to the comment form
- How exactly does Bad Behavior plugin work?
- Akismet plugin is deleting spam despite preferences
- How to expire all wordpress user passwords instantly?
- Auto delete WordPress users according to time
- UpdraftPlus installed malware – scared to download or update plugins now! [closed]
- How to add captcha to publish widget
- Unwanted Links and Spam WordPress Pages and Posts
- 404 Page when emptying spam or deleting a plugin
- A better way to override plugin’s JS files?
- How can I reduce the amount of files loaded/included per plugin?
- How do you import members from another system to WordPress and update passwords so they’ll work?
- Get info (url) from already enqueued styles
- How to create custom LOGIN and REGISTRATION forms?
- wamp server wordprocess whole from begining up on filezilla
- Show the “ratingValue” and “ratingCount” values of KK Star Ratings Plugin
- Retrieve categories of a WooCommerce product in hierachical order
- Dequeue / Deregister script and replace it with a new plugin
- How do I make a wordpress plugin with menu item etc
- How to use get_categories() with Event Organiser plugin
- Setting up widgets in wordpress with a unique ID for the after_title argument
- What are WordPress installation percentages by version?
- Dashboard Disappears after Upgrade
- Show a confirmation message on plugin deactivation
- How extend shortcode default values for a plugin?
- How to remove the whitespace in image name and save the new file
- What is the best way to move a plugin´s subdirectory+files to wp-content/uploads-directory?
- Assignments must be the first block of code on a line Validation Error on Travis
- Error 404 using wpml plugin
- I’m trying to update user meta but is always 1, What I doing wrong? [closed]
- Are these wp-content permissions safe?
- Disable all scripts and styles from NextGEN Gallery? [closed]
- AJAX button run function
- Detect permalinks when passing querystring in REST API requests
- How to sanitize uploaded file filename from a plugin?
- How to change File URL in file uploaded to s3 compatible storage with self written plugin [closed]
- Single API call exposed via shortcode with params
- Force media library editor to overwrite the original filename?
- What would I need to write into a custom plugin in order to add a switch for a custom string of CSS to the edit page?
- WP_Error with multiple form validation message
- Getting Theme element into plugins page editor in wp admin
- Notify comment author upon reply
- Paid Membership Pro with ACF [closed]
- get main product category list woocommerce
- How do I enforce users to fill a determined custom field using WyPiekacz?
- How do I create a Client Logos section in admin menu?
- Options for math equations rendering in WP in own server
- Support information in backend
- http_response_timeout filter not working
- wp_enqueue_style for plugin options page
- Popular Post With Thumbnail?
- How to select a paragraph other than the 1st to be the post’s excerpt?
- How to display registered customer list as dropdown in WooCommerce checkout?
- Where Should i write the code for wordpress ajax voting?
- Do I need a backup plugin if I’m already backing up via cPanel?
- oAuth2 Authentication in WordPress using WP OAuth Server and WP API plugins
- WP::is_main_query() Not Working
- Regarding plugin security
- post_content is empty
- Widget where it can make changes to the container
- StackExchange-like flag system for WordPress
- WordPress – “tag page” additional, custom content
- Making a Contact Form 7 calendar entry “required” [closed]
- W3 Total Cache plugin chronic message
- How to prevent plugin, theme installation failures on WordPress?
- How to add a PW Gift Card to a Woocommerce Order request API?
- Get all image in media Gallery with alt/title?
- In a plugin, How to update a json file using ajax
- how to add custom culomn to add user wordpress in plugin
- How to add specific script to WordPress webpage that will working with user input and databases
- Displaying different content depending on variable
- How do I make my site multi language? [closed]
- Found wp_deregister_script WARNING in redux framework plugin
- After reading 3 story by user ask for subscription popup
- Pay Employee via WordPress
- Fatal error: Uncaught Error: Call to undefined function
- Display information from metabox
- Share on social media created listing after submission
- Ajax call fails and returns [object Object]
- Create Biographies
- How to link file or image from wordpress plugin dir to theme by using themes function.php, is it possible?
- using href when creating wordpress plugin calls empty page instead of php file
- Direct URL to a template via plugin
- Which One Is Better For Managing Add Ons For Extensible Plugin?
- WP REST API Access-Control-Allow-Origin response is cached
- How to `remove_action` from plugin
- New User Approval
- How to add php stylesheet to admin section instead of admin_head hook
- How to tell which Plugin is displaying?
- functions.php conditional output for a single plugin
- Wp Pagenavi how to display all results
- Posts are deleted everyday at night
- Get Core Functionality from Within a (Secondary) Plugin File
- Do you know a video plugin that allows embedding in the home.php file?
- Single dash converted to double dash
- How to provide access to specific plugin to all the user roles except subscriber in wordpress
- Output pure JSON wordpress
- how to remove a rel=”nofollow” using call to action plugin
- How to modify submit button on GravityForms
- A multi-section WordPress store [closed]