WordPress.WP.AlternativeFunctions.file_system_operations_fopen
file system operations fopen
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 | Updated | Top Issue |
|---|---|---|---|---|---|---|---|
| #1 | BulletProof Security | 0 | 5,048 | 4,949 | 20k+ | 2026-05-20 | Output Not Escaped |
| #2 | Plugin Check (PCP) | 0 | 128 | 132 | 10k+ | 2026-05-29 | Exception Not Escaped |
| #3 | JetBackup – Backup, Restore & Migrate | 10 | 1,559 | 145 | 100k+ | 2026-05-03 | Exception Not Escaped |
| #4 | wpForo Forum | 17 | 4,033 | 2,922 | 20k+ | 2026-05-31 | Unsafe Printing Function |
| #5 | WPtouch – Make your WordPress Website Mobile-Friendly | 17 | 1,466 | 325 | 50k+ | 2025-12-04 | Text Domain Mismatch |
| #6 | WP Import Export Lite | 18 | 738 | 979 | 40k+ | 2025-08-04 | Non Prefixed Variable Found |
| #7 | Download Monitor | 19 | 425 | 1,364 | 80k+ | 2026-06-16 | Non Prefixed Hookname Found |
| #8 | Event Organiser | 19 | 1,106 | 544 | 20k+ | 2024-10-10 | Text Domain Mismatch |
| #9 | Advanced File Manager – Ultimate File Manager for WordPress And Document Library Solution | 19 | 1,218 | 901 | 100k+ | 2026-06-09 | Exception Not Escaped |
| #10 | Matomo Analytics – Powerful, Privacy-First Insights for WordPress | 19 | 1,909 | 878 | 100k+ | 2026-06-16 | Exception Not Escaped |
| #11 | Search Atlas SEO – Premier SEO Plugin for One-Click WP Publishing & Integrated AI Optimization | 19 | 1,295 | 2,679 | 9k+ | 2026-06-15 | Output Not Escaped |
| #12 | Really Simple Security – Simple and Performant Security (formerly Really Simple SSL) | 19 | 541 | 385 | 3m+ | 2026-06-17 | Missing Translators Comment |
| #13 | Membership Plugin – Kadence Memberships | 19 | 5,082 | 2,982 | 9k+ | 2026-05-26 | Text Domain Mismatch |
| #14 | BetterDocs – AI Documentation, Knowledge Base, Docs, Wikis, FAQ with Chatbot | 20 | 508 | 1,406 | 30k+ | 2026-06-18 | Non Prefixed Variable Found |
| #15 | Brizy – Page Builder | 20 | 589 | 720 | 70k+ | 2026-06-09 | Output Not Escaped |
| #16 | GiveWP – Donation Plugin and Fundraising Platform | 20 | 3,435 | 3,580 | 100k+ | 2026-06-15 | Output Not Escaped |
| #17 | Link Library | 20 | 1,941 | 1,397 | 10k+ | 2026-04-26 | Unsafe Printing Function |
| #18 | Microthemer Lite – Visual Editor to Customize CSS | 20 | 1,004 | 1,699 | 10k+ | 2026-04-15 | Non Prefixed Variable Found |
| #19 | Robin Image Optimizer – Unlimited Image Optimization, WebP & AVIF | 20 | 557 | 541 | 100k+ | 2026-05-19 | Output Not Escaped |
| #20 | Razorpay for WooCommerce | 20 | 974 | 855 | 100k+ | 2026-06-19 | Non Prefixed Function Found |
| #21 | Backup Migration | 21 | 981 | 1,093 | 80k+ | 2026-06-05 | Non Prefixed Variable Found |
| #22 | rtMedia for WordPress, BuddyPress and bbPress | 21 | 363 | 633 | 8k+ | 2026-04-07 | Non Prefixed Constant Found |
| #23 | CartFlows – Funnel Builder & Checkout Plugin for WooCommerce | 21 | 461 | 614 | 200k+ | 2026-06-02 | Text Domain Mismatch |
| #24 | Smart Grid-Layout Design for Contact Form 7 | 21 | 1,126 | 734 | 10k+ | 2026-05-08 | Output Not Escaped |
| #25 | Comet Cache | 21 | 857 | 245 | 20k+ | 2025-07-02 | Output Not Escaped |
| #26 | Duplicator – Backups & Migration Plugin – Cloud Backups, Scheduled Backups, & More | 21 | 2,572 | 1,277 | 1m+ | 2026-05-22 | Output Not Escaped |
| #27 | Envo Extra | 21 | 878 | 600 | 20k+ | 2026-05-27 | Text Domain Mismatch |
| #28 | EventPrime – Events Calendar, Bookings and Tickets | 21 | 872 | 4,297 | 7k+ | 2026-06-20 | Non Prefixed Variable Found |
| #29 | Feeds for YouTube (YouTube video, channel, and gallery plugin) | 21 | 558 | 978 | 100k+ | 2026-06-10 | Output Not Escaped |
| #30 | FileOrganizer – WordPress File Manager | 21 | 536 | 241 | 200k+ | 2026-06-10 | unlink unlink |
| #31 | Formidable Forms – WordPress Form Builder for Contact Forms, Calculators, Quizzes & More | 21 | 52 | 1,959 | 300k+ | 2026-06-16 | Non Prefixed Variable Found |
| #32 | Modular DS: Monitor, update, and backup multiple websites | 21 | 161 | 81 | 40k+ | 2026-05-22 | Exception Not Escaped |
| #33 | MotoPress Hotel Booking | 21 | 3,061 | 1,037 | 10k+ | 2026-06-15 | Text Domain Mismatch |
| #34 | Points Management System For Gamification, Ranks, Badges, and Loyalty Rewards Program – myCred | 21 | 1,469 | 3,333 | 10k+ | 2026-06-18 | Non Prefixed Variable Found |
| #35 | Packeta | 21 | 802 | 333 | 8k+ | 2025-11-07 | Exception Not Escaped |
| #36 | Paid Membership Subscriptions – Effortless Memberships, Recurring Payments & Content Restriction | 21 | 1,918 | 5,065 | 10k+ | 2026-06-02 | Non Prefixed Hookname Found |
| #37 | User Profile Builder – Beautiful User Registration Forms, User Profiles & User Role Editor | 21 | 696 | 1,483 | 50k+ | 2026-06-10 | Recommended |
| #38 | Five Star Restaurant Reservations – WordPress Booking Plugin | 21 | 1,099 | 1,147 | 10k+ | 2026-06-19 | Output Not Escaped |
| #39 | Royal Addons for Elementor – Addons and Templates Kit for Elementor | 21 | 13,011 | 2,530 | 600k+ | 2026-06-08 | Text Domain Mismatch |
| #40 | Accept Stripe Payments | 21 | 373 | 882 | 20k+ | 2026-05-07 | Missing |
| #41 | Revive Social – Social Media Auto Post and Scheduling Automation Plugin | 21 | 255 | 425 | 20k+ | 2026-05-21 | Non Prefixed Hookname Found |
| #42 | WCFM – Frontend Manager for WooCommerce | 21 | 4,721 | 5,067 | 20k+ | 2026-04-25 | Non Prefixed Variable Found |
| #43 | WebP Express | 21 | 160 | 427 | 300k+ | 2026-06-19 | Non Prefixed Variable Found |
| #44 | Paysera Payment Gateway for WooCommerce | 21 | 1,866 | 195 | 7k+ | 2026-06-04 | Exception Not Escaped |
| #45 | Booster for WooCommerce – PDF Invoices, Abandoned Cart, Variation Swatches & 100+ Tools | 21 | 786 | 3,395 | 30k+ | 2026-06-17 | Non Prefixed Variable Found |
| #46 | PPOM – Product Addons & Custom Fields for WooCommerce | 21 | 336 | 1,325 | 20k+ | 2026-06-02 | Non Prefixed Variable Found |
| #47 | Wordfence Security – Firewall, Malware Scan, and Login Security | 21 | 1,592 | 2,973 | 5m+ | 2026-05-13 | Output Not Escaped |
| #48 | WP phpMyAdmin | 21 | 4,528 | 6,435 | 50k+ | 2025-10-17 | Missing Arg Domain |
| #49 | wpDataTables – WordPress Data Table, Dynamic Tables & Table Charts Plugin | 21 | 1,354 | 1,140 | 70k+ | 2026-06-08 | Output Not Escaped |
| #50 | Ajax Load More – Infinite Scroll, Load More, & Lazy Load | 22 | 641 | 595 | 40k+ | 2026-06-04 | Unsafe Printing Function |
