Backlink Checker SEO Security & Risk Analysis

wordpress.org/plugins/backlink-checker-seo

Backlink Checker SEO tool shows an instant result of earned backlinks to your site.

10 active installs v1.0 PHP + WP 3.0.1+ Updated Nov 23, 2016
backlink-checkerbacklink-checker-seobacklink-checker-toolbacklink-watchseo
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Download
Safety Verdict

Is Backlink Checker SEO Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 9yr ago
Risk Assessment

The 'backlink-checker-seo' v1.0 plugin exhibits a generally positive security posture due to its limited attack surface and lack of known vulnerabilities. The static analysis reveals no exposed AJAX handlers, REST API routes, shortcodes, or cron events, meaning there are virtually no direct entry points for attackers. Furthermore, the absence of known CVEs and a clean vulnerability history suggest the developers have historically prioritized security or the plugin's functionality hasn't presented significant risks. However, some concerning signals emerge from the code analysis. The plugin executes a single SQL query that is not using prepared statements, creating a potential SQL injection risk. Additionally, a concerning taint flow was detected with an unsanitized path, and a significant portion of output is not properly escaped, which could lead to cross-site scripting (XSS) vulnerabilities. The lack of capability checks on any operations is also a significant weakness, meaning even internal functionalities could be accessed by unauthorized users.

Key Concerns

  • Raw SQL query without prepared statements
  • Taint flow with unsanitized path
  • Significant portion of output unescaped
  • No capability checks
Vulnerabilities
None known

Backlink Checker SEO Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Code Analysis
Analyzed Mar 17, 2026

Backlink Checker SEO Code Analysis

Dangerous Functions
0
Raw SQL Queries
1
0 prepared
Unescaped Output
6
7 escaped
Nonce Checks
1
Capability Checks
0
File Operations
0
External Requests
1
Bundled Libraries
0

SQL Query Safety

0% prepared1 total queries

Output Escaping

54% escaped13 total outputs
Data Flows
1 unsanitized

Data Flow Analysis

1 flows1 with unsanitized paths
<backlink_results> (backlink_results.php:0)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Backlink Checker SEO Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 1
actionadmin_menubacklink-checker-seo.php:12
Maintenance & Trust

Backlink Checker SEO Maintenance & Trust

Maintenance Signals

WordPress version tested4.5.33
Last updatedNov 23, 2016
PHP min version
Downloads2K

Community Trust

Rating0/100
Number of ratings0
Active installs10
Developer Profile

Backlink Checker SEO Developer Profile

metric buzz

2 plugins · 20 total installs

89
trust score
Avg Security Score
93/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Backlink Checker SEO

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

Asset Fingerprints

HTML / DOM Fingerprints

FAQ

Frequently Asked Questions about Backlink Checker SEO