WordPress.WP.AlternativeFunctions.file_system_operations_fclose
file system operations fclose
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 |
|---|---|---|---|---|---|---|---|---|
| #1051 | Contact Form Widget | 38 | 54 | 107 | 1k+ | Request data is not unslashed | ||
| #1052 | OneSignal – Web Push Notifications | 38 | 53 | 64 | 70k+ | Output is not escaped | ||
| #1053 | Quick Download Button | 38 | 34 | 123 | 2k+ | Non-prefixed global variable | ||
| #1054 | SCSS WP Editor | 38 | 111 | 40 | 900 | Exception output is not escaped | ||
| #1055 | Simple JWT Login – Allows you to use JWT on REST endpoints. | 38 | 712 | 95 | 4k+ | Output is not escaped | ||
| #1056 | Simple Keyword to Link | 38 | 90 | 49 | 3k+ | Non Singular String Literal Domain | ||
| #1057 | Smart Cookie Kit | 38 | 263 | 81 | 3k+ | Output is not escaped | ||
| #1058 | Standout CSS3 Buttons | 38 | 183 | 15 | 500 | Output is not escaped | ||
| #1059 | WP Maintenance Mode & Site Under Construction | 38 | 72 | 57 | 3k+ | Output is not escaped | ||
| #1060 | WP-ServerInfo | 38 | 162 | 55 | 10k+ | Output is not escaped | ||
| #1061 | Accounting for WooCommerce | 39 | 87 | 115 | 500 | Unsafe printing function | ||
| #1062 | Admin Custom Font | 39 | 34 | 25 | 1k+ | Unsafe printing function | ||
| #1063 | Andreani WooCommerce | 39 | 21 | 86 | 700 | Non-prefixed global variable | ||
| #1064 | Australia Post WooCommerce Extension | 39 | 99 | 12 | 3k+ | Text Domain Mismatch | ||
| #1065 | Blackhole for Bad Bots | 39 | 123 | 69 | 30k+ | Output is not escaped | ||
| #1066 | GS Only PDF Preview | 39 | 46 | 36 | 1k+ | Output is not escaped | ||
| #1067 | Kikote – Location Picker at Checkout & Google Address AutoFill Plugin for WooCommerce | 39 | 76 | 64 | 1k+ | Missing Translators Comment | ||
| #1068 | Movable Type and TypePad Importer | 39 | 42 | 25 | 20k+ | Output is not escaped | ||
| #1069 | NextGEN Download Gallery | 39 | 57 | 21 | 2k+ | Short PHP open tag found | ||
| #1070 | Purge Varnish Cache | 39 | 113 | 151 | 1k+ | Non-prefixed global variable | ||
| #1071 | Royal Mail Shipping Calculator for WooCommerce | 39 | 61 | 31 | 1k+ | Text Domain Mismatch | ||
| #1072 | Sync Post With Other Site | 39 | 177 | 21 | 3k+ | Non Singular String Literal Domain | ||
| #1073 | TinyMCE Custom Styles | 39 | 297 | 76 | 7k+ | Non Singular String Literal Domain | ||
| #1074 | Use Any Font | Custom Font Uploader | 39 | 36 | 55 | 200k+ | Request data is not unslashed | ||
| #1075 | Virusdie | One-click website security | 39 | 149 | 66 | 2k+ | Output is not escaped | ||
| #1076 | Website LLMs.txt | 39 | 13 | 145 | 40k+ | Non-prefixed global variable | ||
| #1077 | htaccess protect | 39 | 28 | 33 | 800 | Input is not validated | ||
| #1078 | Advanced Country Blocker | 40 | 23 | 77 | 2k+ | Exception output is not escaped | ||
| #1079 | Advanced IP Blocker | 40 | 94 | 43 | 2k+ | Exception output is not escaped | ||
| #1080 | Atomic Edge Security – Firewall, Malware Scan and Login Security | 40 | 12 | 184 | 700 | Non-prefixed global variable | ||
| #1081 | Bangladeshi Payment Gateways – Make Payment Using QR Code | 40 | 40 | 36 | 5k+ | Output is not escaped | ||
| #1082 | Broken Link Notifier | 40 | 11 | 193 | 1k+ | Non-prefixed global variable | ||
| #1083 | Database Addon for Contact Form 7 – CFDB7 | 40 | 35 | 56 | 600k+ | Nonce verification recommended | ||
| #1084 | Custom Contact Forms | 40 | 13 | 106 | 6k+ | Missing nonce verification | ||
| #1085 | Export Post Info | 40 | 66 | 3 | 1k+ | Unsafe printing function | ||
| #1086 | Far Future Expiry Header | 40 | 25 | 36 | 7k+ | Request data is not unslashed | ||
| #1087 | Product Enquiry for WooCommerce | 40 | 57 | 41 | 3k+ | Output is not escaped | ||
| #1088 | LLM Bot Tracker – AI Crawler Detection & Analytics | 40 | 18 | 90 | 700 | Database parameter is not escaped | ||
| #1089 | Where Did You Hear About Us Checkout Field for WooCommerce | 40 | 57 | 66 | 1k+ | Output is not escaped | ||
| #1090 | Sentry for WordPress | 40 | 80 | 40 | 10k+ | Text Domain Mismatch | ||
| #1091 | Heroic Favicon Generator | 41 | 104 | 7 | 6k+ | Output is not escaped | ||
| #1092 | SNORDIAN's H5PxAPIkatchu | 41 | 119 | 88 | 500 | SQL query is not prepared | ||
| #1093 | Multiple Domain | 41 | 42 | 17 | 10k+ | Output is not escaped | ||
| #1094 | Powie's WHOIS Domain Check | 41 | 38 | 11 | 500 | Unsafe printing function | ||
| #1095 | Threat Scan Plugin | 41 | 29 | 17 | 400 | Output is not escaped | ||
| #1096 | Spam Protect for Contact Form 7 | 41 | 16 | 61 | 10k+ | Request data is not unslashed | ||
| #1097 | WP Crontrol | 41 | 20 | 91 | 300k+ | Nonce verification recommended | ||
| #1098 | WP Media folders | 41 | 19 | 74 | 3k+ | Direct Query | ||
| #1099 | Asesor de Cookies RGPD para normativa europea | 42 | 27 | 32 | 20k+ | Missing nonce verification | ||
| #1100 | 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 |
