File Permissions & Size Check Security & Risk Analysis

wordpress.org/plugins/wp-file-permission-check

Simple plugin that checks your WordPress install and shows your file permissions, size, and last modified date.

300 active installs v1.0.4 PHP + WP 2.8+ Updated Mar 13, 2013
checkfilefolderspermissionssize
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is File Permissions & Size Check Safe to Use in 2026?

Generally Safe

Score 85/100

File Permissions & Size Check has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 13yr ago
Risk Assessment

The "wp-file-permission-check" v1.0.4 plugin exhibits a generally strong security posture based on the provided static analysis and vulnerability history. The absence of any known CVEs, along with the complete lack of critical or high-severity vulnerabilities in its history, is a very positive sign. Furthermore, the code analysis shows no dangerous functions, SQL queries are all prepared, and there are no reported file operations or external HTTP requests, all of which are excellent security practices. The presence of nonce and capability checks indicates an awareness of WordPress security fundamentals.

However, a significant concern arises from the output escaping results. With 16 total outputs and 0% properly escaped, this indicates a high risk of Cross-Site Scripting (XSS) vulnerabilities. Any data processed or displayed by this plugin, if not properly sanitized before output, could be exploited by attackers to inject malicious scripts. While the plugin has a clean vulnerability history, this widespread lack of output escaping represents a clear and present danger that could lead to future security incidents if not addressed. The plugin's zero attack surface entry points are commendable, but the unescaped output remains a critical weakness.

Key Concerns

  • All outputs are unescaped
Vulnerabilities
None known

File Permissions & Size Check Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 16, 2026

File Permissions & Size Check Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
16
0 escaped
Nonce Checks
4
Capability Checks
3
File Operations
0
External Requests
0
Bundled Libraries
0

Output Escaping

0% escaped16 total outputs
Attack Surface

File Permissions & Size Check Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 3
actionadmin_enqueue_scriptsfile-perm-check.php:41
actionadmin_footerfile-perm-check.php:51
actionadmin_menufile-perm-check.php:75
Maintenance & Trust

File Permissions & Size Check Maintenance & Trust

Maintenance Signals

WordPress version tested3.5.2
Last updatedMar 13, 2013
PHP min version
Downloads21K

Community Trust

Rating96/100
Number of ratings4
Active installs300
Developer Profile

File Permissions & Size Check Developer Profile

wycks

5 plugins · 530 total installs

84
trust score
Avg Security Score
85/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect File Permissions & Size Check

Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.

Asset Fingerprints

Script Paths
/wp-content/plugins/wp-file-permission-check/classes/FpcRecursiveIterator.class.php/wp-content/plugins/wp-file-permission-check/classes/FpcRecursiveIteratorIterator.class.php/wp-content/plugins/wp-file-permission-check/classes/FpcDirFilter.class.php

HTML / DOM Fingerprints

CSS Classes
widefat
HTML Comments
<!-- HTML part --><!--start tabs--><!--tab titles--><!--tab one -->+3 more
JS Globals
Fpc-tabs
FAQ

Frequently Asked Questions about File Permissions & Size Check