
File Manager Pro – Filester Security & Risk Analysis
wordpress.org/plugins/filesterAdvanced File Manager and Code Editor. Best WordPress file manager without FTP access. No need to upgrade because this is PRO version.
Is File Manager Pro – Filester Safe to Use in 2026?
Generally Safe
Score 91/100File Manager Pro – Filester has a strong security track record. Known vulnerabilities have been patched promptly.
The "filester" plugin, version 2.0.2, exhibits a mixed security posture. On one hand, the static analysis reveals strong adherence to some WordPress security best practices. There are no identified dangerous functions, all SQL queries utilize prepared statements, and a high percentage of output is properly escaped. Additionally, the plugin includes a good number of nonce and capability checks, indicating an effort to protect its entry points.
However, the plugin's vulnerability history is a significant concern. With a total of 9 known CVEs, including 6 high and 3 medium severity vulnerabilities, this suggests a pattern of security flaws. Common vulnerability types such as Cross-Site Scripting (XSS), Unrestricted File Upload, Missing Authorization, Path Traversal, and Cross-Site Request Forgery (CSRF) are concerning and indicate potential weaknesses in input validation, authorization logic, and file handling.
While the current version (2.0.2) shows no unpatched vulnerabilities and a clean slate in the static analysis regarding taint flows and unprotected entry points, the historical pattern of numerous high-severity issues cannot be ignored. This indicates a past tendency for critical security oversights that could potentially resurface in future updates if not rigorously addressed. Therefore, while the immediate code analysis presents positively, the historical context warrants a cautious approach.
Key Concerns
- High number of past High/Medium severity CVEs
- Past vulnerabilities include XSS, Unrestricted Upload, Auth Bypass, Path Travers
- Bundled library TinyMCE (potential for outdatedness)
- 82% output escaping (18% not properly escaped)
File Manager Pro – Filester Security Vulnerabilities
CVEs by Year
Severity Breakdown
9 total CVEs
File Manager Pro <= 1.8.8 - Authenticated (Administrator+) Stored Cross-Site Scripting
File Manager Pro – Filester <= 1.8.8 - Authenticated (Administrator+) Arbitrary File Upload
File Manager Pro – Filester <= 1.8.6 - Missing Authorization to Authenticated (Subscriber+) Filebird Plugin Installation
File Manager Pro – Filester <= 1.8.6- Authenticated (Subscriber+) Arbitrary File Upload
File Manager Pro – Filester <= 1.8.5 - Authenticated (Administrator+) Local JavaScript File Inclusion
File Manager Pro – Filester <= 1.8.2 - Authenticated Plugin Settings Update
File Manager Pro <= 1.8 - Authenticated (Admin+) Stored Cross-Site Scripting
File Manager Pro – Filester <= 1.8 - Authenticated (Admin+) Arbitrary File Upload
File Manager Pro – Filester - <= 1.7.6 - Cross-Site Request Forgery to Arbitrary File Rename
File Manager Pro – Filester Code Analysis
Bundled Libraries
Output Escaping
File Manager Pro – Filester Attack Surface
AJAX Handlers 9
WordPress Hooks 15
Maintenance & Trust
File Manager Pro – Filester Maintenance & Trust
Maintenance Signals
Community Trust
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File Manager Pro – Filester Developer Profile
13 plugins · 496K total installs
How We Detect File Manager Pro – Filester
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
/wp-content/plugins/filester/assets/css/style.css/wp-content/plugins/filester/assets/js/filester.js/wp-content/plugins/filester/assets/js/filester.jsfilester/assets/css/style.css?ver=filester/assets/js/filester.js?ver=HTML / DOM Fingerprints
filester-containerfilester-modaldata-filester-modal-iddata-filester-actionfilester_optionsfilester_localization/wp-json/filester/v1/actions[filester_manager]