Duplicate Content Cure Security & Risk Analysis

wordpress.org/plugins/duplicate-content-cure

Duplicate content cure is a simple plugin that improves SEO by preventing search engines from indexing pages that contain duplicate content.

300 active installs v1.0 PHP + WP 3.0.1+ Updated Jun 2, 2015
categoriescategoryduplicate-contentnoindexseo
63
C · Use Caution
CVEs total1
Unpatched1
Last CVENov 29, 2025
Safety Verdict

Is Duplicate Content Cure Safe to Use in 2026?

Use With Caution

Score 63/100

Duplicate Content Cure has 1 unpatched vulnerability. Evaluate alternatives or apply available mitigations.

1 known CVE 1 unpatched Last CVE: Nov 29, 2025Updated 10yr ago
Risk Assessment

The "duplicate-content-cure" plugin v1.0 exhibits a mixed security posture. While the static analysis indicates a very small attack surface with no identified AJAX handlers, REST API routes, shortcodes, or cron events, there are significant concerns regarding output escaping and its vulnerability history. The lack of any output escaping on the two identified outputs is a critical weakness, leaving the plugin susceptible to Cross-Site Scripting (XSS) attacks. The presence of one unpatched medium severity CVE, historically a Cross-Site Request Forgery (CSRF) vulnerability, further highlights areas of weakness that require immediate attention. The plugin does demonstrate some good practices, such as 100% of SQL queries using prepared statements and a capability check, but these are overshadowed by the unaddressed vulnerabilities and the output escaping issue.

Key Concerns

  • Unpatched CVE (medium severity)
  • Output escaping is not properly handled
  • No nonce checks implemented
Vulnerabilities
1

Duplicate Content Cure Security Vulnerabilities

CVEs by Year

1 CVE in 2025 · unpatched
2025
Patched Has unpatched

Severity Breakdown

Medium
1

1 total CVE

CVE-2025-59132medium · 4.3Cross-Site Request Forgery (CSRF)

Duplicate Content Cure <= 1.0 - Cross-Site Request Forgery

Nov 29, 2025Unpatched
Code Analysis
Analyzed Mar 16, 2026

Duplicate Content Cure Code Analysis

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

Output Escaping

0% escaped2 total outputs
Attack Surface

Duplicate Content Cure Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 2
actionadmin_menuduplicate-content-cure.php:22
actionwp_headduplicate-content-cure.php:214
Maintenance & Trust

Duplicate Content Cure Maintenance & Trust

Maintenance Signals

WordPress version tested4.2.39
Last updatedJun 2, 2015
PHP min version
Downloads4K

Community Trust

Rating0/100
Number of ratings0
Active installs300
Developer Profile

Duplicate Content Cure Developer Profile

Badi Jones

1 plugin · 300 total installs

68
trust score
Avg Security Score
63/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Duplicate Content Cure

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

Asset Fingerprints

HTML / DOM Fingerprints

CSS Classes
checkbox
HTML Comments
<!-- Apply Duplicate Content Cure -->
Data Attributes
name="dupContCure_noindex_categories"id="noindex_categories"name="dupContCure_noindex_tags"id="noindex_tags"name="update_dupContCure_options"
FAQ

Frequently Asked Questions about Duplicate Content Cure