Security improvements: input validation, nonce & permission checks, SQL injection prevention, and documentation #114
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…checks, SQL injection prevention, and clear English comments for maintainability. Applies to QuickEdit.php and LocationSearch.php.
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This pull request introduces several security and code quality improvements to the plugin:
Strict input validation and sanitization for all user data
Nonce and permission checks for AJAX and quick edit actions
SQL injection prevention using prepared statements and safe query building
Field-specific sanitization for meta fields (latitude, longitude, phone, website, etc.)
Clear and maintainable English comments throughout the codebase
These changes are applied to:
app/Listeners/QuickEdit.php
app/Services/LocationSearch/LocationSearch.php
All changes follow WordPress best practices and improve the overall security and maintainability of the plugin.