Copyscape Post Checker Security & Risk Analysis

wordpress.org/plugins/copyscape

This plugin will allow administrators to chek posts against copyscape via the copyscape API.

40 active installs v1.1 PHP + WP + Updated Jul 22, 2010
copyscapeplagiarismpost
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Copyscape Post Checker Safe to Use in 2026?

Generally Safe

Score 85/100

Copyscape Post Checker has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 15yr ago
Risk Assessment

The Copyscape plugin v1.1 exhibits a generally strong security posture in its static analysis, with no identified entry points, dangerous functions, or taint flows. This suggests a well-designed codebase with a minimal attack surface. However, the complete absence of output escaping is a significant concern. All two identified outputs are not properly escaped, meaning any user-supplied data that is displayed by the plugin could be vulnerable to cross-site scripting (XSS) attacks. While the plugin has no recorded vulnerability history, this doesn't guarantee future security. The single external HTTP request should be monitored for potential vulnerabilities related to external dependencies. Overall, the plugin demonstrates good practice in limiting its attack surface and SQL query security, but the lack of output escaping presents a clear and present risk.

Key Concerns

  • Output not properly escaped
Vulnerabilities
None known

Copyscape Post Checker Security Vulnerabilities

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

Copyscape Post Checker Code Analysis

Dangerous Functions
0
Raw SQL Queries
1
5 prepared
Unescaped Output
2
0 escaped
Nonce Checks
0
Capability Checks
1
File Operations
0
External Requests
1
Bundled Libraries
0

SQL Query Safety

83% prepared6 total queries

Output Escaping

0% escaped2 total outputs
Attack Surface

Copyscape Post Checker Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 2
actionpublish_postcopyscape.php:12
actionadmin_menucopyscape.php:13
Maintenance & Trust

Copyscape Post Checker Maintenance & Trust

Maintenance Signals

WordPress version tested
Last updatedJul 22, 2010
PHP min version
Downloads5K

Community Trust

Rating20/100
Number of ratings2
Active installs40
Developer Profile

Copyscape Post Checker Developer Profile

lerietaylor

1 plugin · 40 total installs

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

How We Detect Copyscape Post Checker

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

Asset Fingerprints

HTML / DOM Fingerprints

Shortcode Output
<div style="float:left;padding-right:40px;"> <h2>Copyscape Options</h2> <form method="post"> <p><b>API Key</b><br /><input type="text" name="copyscape_api_key" value="
FAQ

Frequently Asked Questions about Copyscape Post Checker