WordPress.WP.AlternativeFunctions.file_system_operations_fwrite
file system operations fwrite
The plugin performs filesystem work with raw PHP functions where WordPress expects safer filesystem handling.
Why It Shows Up
Plugin Check found functions such as `fopen`, `fwrite`, `chmod`, `mkdir`, `readfile`, or related operations.
Why It Matters
WordPress sites can use different filesystem permissions and transports. Raw filesystem calls can fail on common hosts or write to unsafe locations.
How to Fix
- Use WordPress filesystem helpers when writing, reading, or changing files in plugin-managed paths.
- Validate paths and keep writes inside directories owned by the plugin or WordPress uploads.
- Never write PHP code from user input or remote responses.
References
Affected Plugins
| Rank | Plugin | Score | Errors | Warnings | Installs | Added | Updated | Top Issue |
|---|---|---|---|---|---|---|---|---|
| #751 | Migrate Store: Export and Import WooCommerce Settings | 38 | 37 | 33 | 1k+ | Non-prefixed global variable | ||
| #752 | SCSS WP Editor | 38 | 111 | 40 | 900 | Exception output is not escaped | ||
| #753 | Smart Cookie Kit | 38 | 263 | 81 | 3k+ | Output is not escaped | ||
| #754 | Standout CSS3 Buttons | 38 | 183 | 15 | 500 | Output is not escaped | ||
| #755 | Admin Custom Font | 39 | 34 | 25 | 1k+ | Unsafe printing function | ||
| #756 | Andreani WooCommerce | 39 | 21 | 86 | 700 | Non-prefixed global variable | ||
| #757 | Kikote – Location Picker at Checkout & Google Address AutoFill Plugin for WooCommerce | 39 | 76 | 64 | 1k+ | Missing Translators Comment | ||
| #758 | Purge Varnish Cache | 39 | 113 | 151 | 1k+ | Non-prefixed global variable | ||
| #759 | Sync Post With Other Site | 39 | 179 | 21 | 3k+ | Non Singular String Literal Domain | ||
| #760 | TinyMCE Custom Styles | 39 | 297 | 76 | 7k+ | Non Singular String Literal Domain | ||
| #761 | Use Any Font | Custom Font Uploader | 39 | 36 | 55 | 200k+ | Request data is not unslashed | ||
| #762 | Website LLMs.txt | 39 | 13 | 145 | 40k+ | Non-prefixed global variable | ||
| #763 | htaccess protect | 39 | 28 | 33 | 800 | Input is not validated | ||
| #764 | Database Addon for Contact Form 7 – CFDB7 | 40 | 35 | 56 | 600k+ | Nonce verification recommended | ||
| #765 | Custom Contact Forms | 40 | 13 | 106 | 6k+ | Missing nonce verification | ||
| #766 | Far Future Expiry Header | 40 | 25 | 36 | 7k+ | Request data is not unslashed | ||
| #767 | Heroic Favicon Generator | 41 | 104 | 7 | 6k+ | Output is not escaped | ||
| #768 | FluentAffiliate – Affiliate Program Management Suite, Affiliates Manager | 41 | 115 | 14 | 1k+ | Exception output is not escaped | ||
| #769 | WooCommerce Colors | 41 | 63 | 28 | 10k+ | Output is not escaped | ||
| #770 | Spam Protect for Contact Form 7 | 41 | 16 | 61 | 10k+ | Request data is not unslashed | ||
| #771 | WP Media folders | 41 | 19 | 74 | 3k+ | Direct Query | ||
| #772 | 多合一搜索自动推送管理插件-支持Baidu/Google/Bing/IndexNow/Yandex/头条 | 42 | 17 | 38 | 2k+ | Input is not sanitized | ||
| #773 | Fluent Booking – The Ultimate Appointments Scheduling, Events Booking, Events Calendar Solution | 42 | 111 | 17 | 20k+ | Exception output is not escaped | ||
| #774 | Mailster Cool Captcha | 42 | 65 | 28 | 400 | Text Domain Mismatch | ||
| #775 | WP QuickLaTeX | 42 | 41 | 60 | 4k+ | Non-prefixed global variable | ||
| #776 | WP SmartCrop | 43 | 43 | 12 | 4k+ | Output is not escaped | ||
| #777 | SmartVideo – Video Player and CDN | 44 | 295 | 44 | 1k+ | Text Domain Mismatch | ||
| #778 | Contact Form 7 Signature Addon | 45 | 147 | 44 | 6k+ | Text Domain Mismatch | ||
| #779 | JetHost Total Care – Security & Enhancements | 45 | 10 | 85 | 800 | Direct Query | ||
| #780 | reCAPTCHA for Asgaros Forum | 45 | 21 | 36 | 4k+ | Input is not validated | ||
| #781 | Official CleverReach® Plugin for WooCommerce | 46 | 37 | 98 | 400 | Non-prefixed global variable | ||
| #782 | 404 Image Redirection (Replace Broken Images) | 47 | 118 | 85 | 500 | Text Domain Mismatch | ||
| #783 | Import Users from CSV | 47 | 33 | 12 | 10k+ | Unsafe printing function | ||
| #784 | The Tribal Plugin | 47 | 43 | 62 | 800 | Non-prefixed function | ||
| #785 | iControlWP | 47 | 45 | 59 | 1k+ | Missing direct file access protection | ||
| #786 | WP Prefix Changer | 47 | 27 | 16 | 900 | Missing Arg Domain | ||
| #787 | Compress, Resize & Lazy Load Images – WPvivid Image Optimization | 47 | 107 | 58 | 10k+ | Missing direct file access protection | ||
| #788 | Drag and Drop Multiple File Upload for WooCommerce | 49 | 114 | 29 | 5k+ | Text Domain Mismatch | ||
| #789 | SpinupWP | 49 | 43 | 38 | 30k+ | Non-prefixed function | ||
| #790 | PDF Invoices & Packing Slips for WooCommerce – Challan | 49 | 56 | 151 | 4k+ | Non-prefixed global variable | ||
| #791 | Dolyame Payment gateway | 51 | 122 | 10 | 700 | Text Domain Mismatch | ||
| #792 | Price Based on Country for WooCommerce | 52 | 43 | 126 | 20k+ | Non-prefixed hook name | ||
| #793 | Royal WordPress Backup, Restore & Migration Plugin – Backup WordPress Sites Safely | 53 | 34 | 90 | 20k+ | Database parameter is not escaped | ||
| #794 | CSV Importer | 54 | 24 | 11 | 3k+ | Missing direct file access protection | ||
| #795 | AI Agent by SiteGround | 54 | 28 | 6 | 1m+ | Exception output is not escaped | ||
| #796 | Yext Plugin | 55 | 16 | 23 | 700 | Non-prefixed function | ||
| #797 | Review Stream | 56 | 41 | 42 | 400 | Non-prefixed global variable | ||
| #798 | ThemeinWP Import Companion | 56 | 17 | 14 | 4k+ | Unsafe printing function | ||
| #799 | Known Agents – Track AI Bots and Crawlers, Block Scrapers, Analyze LLM Referral Traffic | 57 | 37 | 12 | 1k+ | Setting is missing a sanitization callback | ||
| #800 | PDF invoice for WP ERP | 58 | 96 | 134 | 2k+ | Non-prefixed global variable |
