WP-Blacklister Security & Risk Analysis

wordpress.org/plugins/wp-blacklister

Plugin tool for assembling lists of IP addresses, emails, and URLs from spam comments.

70 active installs v1.2.1 PHP + WP 2.8+ Updated Jan 1, 2013
blacklistemailipmoderatemoderation
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is WP-Blacklister Safe to Use in 2026?

Generally Safe

Score 85/100

WP-Blacklister 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-blacklister' v1.2.1 plugin presents a mixed security posture. On the positive side, the static analysis reveals a clean bill of health regarding dangerous functions, SQL injection vulnerabilities (all queries use prepared statements), file operations, and external HTTP requests. The vulnerability history also shows no known CVEs, suggesting a historically stable plugin. However, a significant concern arises from the complete lack of output escaping. With 17 total outputs and 0% properly escaped, this indicates a high risk of Cross-Site Scripting (XSS) vulnerabilities. The absence of nonce and capability checks, while not immediately exploitable due to the lack of an apparent attack surface (0 entry points), leaves the plugin vulnerable should any new entry points be introduced in future updates without corresponding security measures. In conclusion, while the plugin avoids common pitfalls like SQL injection and dangerous functions, the lack of output escaping is a critical weakness that severely undermines its security.

Key Concerns

  • 100% of outputs are not properly escaped
  • No nonce checks implemented
  • No capability checks implemented
Vulnerabilities
None known

WP-Blacklister Security Vulnerabilities

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

WP-Blacklister Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
17
0 escaped
Nonce Checks
0
Capability Checks
0
File Operations
0
External Requests
0
Bundled Libraries
0

Output Escaping

0% escaped17 total outputs
Attack Surface

WP-Blacklister Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 4
actionadmin_menuwp-blacklister.php:207
actionactivate_wp-blacklister/wp-blacklister.phpwp-blacklister.php:208
actionadmin_initwp-blacklister.php:209
filterplugin_row_metawp-blacklister.php:210
Maintenance & Trust

WP-Blacklister Maintenance & Trust

Maintenance Signals

WordPress version tested3.5.2
Last updatedJan 1, 2013
PHP min version
Downloads4K

Community Trust

Rating0/100
Number of ratings0
Active installs70
Developer Profile

WP-Blacklister Developer Profile

Luke Mlsna

11 plugins · 13K total installs

83
trust score
Avg Security Score
84/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect WP-Blacklister

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/wp-blacklister/wp-blacklister-options.css/wp-content/plugins/wp-blacklister/wp-blacklister-options.js
Script Paths
/wp-content/plugins/wp-blacklister/wp-blacklister-options.js

HTML / DOM Fingerprints

CSS Classes
wpb-descriptionwpb-sec-titlewpb-countwpb-display-containerwpb-col-containerwpb-col-titlewpb-clear
Data Attributes
draggable="false"
FAQ

Frequently Asked Questions about WP-Blacklister