PDF Password Protect Security & Risk Analysis

wordpress.org/plugins/pdf-password-protect

Protect PDF files by passwords on your WordPress Website.

300 active installs v1.0.5 PHP 7.2.5+ WP 5.8.0+ Updated Feb 3, 2026
encryptlock-pdfpasswordpdfprotect
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
Download
Safety Verdict

Is PDF Password Protect Safe to Use in 2026?

Generally Safe

Score 100/100

PDF Password Protect has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 2mo ago
Risk Assessment

The "pdf-password-protect" plugin v1.0.5 exhibits a strong security posture based on the provided static analysis and vulnerability history. The absence of any critical or high-severity issues in taint analysis, along with the complete reliance on prepared statements for SQL queries and a high percentage of properly escaped output, indicates good development practices. Furthermore, the plugin has no recorded CVEs, suggesting a history of security awareness and maintenance. The limited attack surface with no unprotected entry points is also a significant strength.

However, the analysis does highlight a couple of areas for consideration. The presence of file operations, while not inherently a vulnerability, necessitates careful review to ensure they are performed securely and do not introduce risks related to path traversal or arbitrary file modification. Additionally, the plugin bundles third-party libraries, Select2 and TCPDF. While the analysis doesn't explicitly state they are outdated or vulnerable, any bundled library carries an inherent risk if not actively maintained and updated, as they can become vectors for exploits. Overall, this plugin appears to be well-secured with a low risk profile, but these minor points warrant attention for complete assurance.

Key Concerns

  • Bundled libraries (Select2, TCPDF)
  • File operations present
Vulnerabilities
None known

PDF Password Protect Security Vulnerabilities

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

PDF Password Protect Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
12
206 escaped
Nonce Checks
3
Capability Checks
3
File Operations
2
External Requests
0
Bundled Libraries
2

Bundled Libraries

Select2TCPDF

Output Escaping

94% escaped218 total outputs
Data Flows
All sanitized

Data Flow Analysis

1 flows
<AdminPage> (includes\pages\AdminPage.php:0)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

PDF Password Protect Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 10
actionadmin_enqueue_scriptscore\core.php:84
actionadd_meta_boxesincludes\class-pdf-password-protected.php:121
actiondo_meta_boxesincludes\class-pdf-password-protected.php:122
actionadmin_enqueue_scriptsincludes\class-pdf-password-protected.php:123
actioninitincludes\pages\AdminPage.php:230
actionadmin_menuincludes\pages\AdminPage.php:321
actionwp_loadedincludes\pages\AdminPage.php:322
actionadmin_enqueue_scriptsincludes\pages\AdminPage.php:323
actionwoocommerce_product_options_downloadsincludes\pages\class-pdf-password-settings.php:102
actionplugins_loadedpdf-password-protect.php:229
Maintenance & Trust

PDF Password Protect Maintenance & Trust

Maintenance Signals

WordPress version tested6.9.4
Last updatedFeb 3, 2026
PHP min version7.2.5
Downloads4K

Community Trust

Rating100/100
Number of ratings1
Active installs300
Developer Profile

PDF Password Protect Developer Profile

GrandPlugins

20 plugins · 9K total installs

74
trust score
Avg Security Score
93/100
Avg Patch Time
160 days
View full developer profile
Detection Fingerprints

How We Detect PDF Password Protect

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/pdf-password-protect/assets/admin-head.css
Version Parameters
pdf-password-protect/assets/admin-head.css?ver=

HTML / DOM Fingerprints

CSS Classes
gpls-core-plugins-general-admin-head-styles-
FAQ

Frequently Asked Questions about PDF Password Protect