Antispam Security & Risk Analysis

wordpress.org/plugins/antispam

Anti-spam check the robots by behavior. No captcha. Antispam let robots do so as a human can't do.

400 active installs v1.5 PHP + WP 3.2+ Updated Dec 29, 2016
anti-spamantispamcommentsspam
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Antispam Safe to Use in 2026?

Generally Safe

Score 85/100

Antispam 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 "antispam" plugin v1.5 exhibits a generally good security posture due to the absence of known vulnerabilities and a clean record of past issues. The static analysis reveals no critical or high-risk code signals, such as dangerous functions, raw SQL queries, or external HTTP requests. The plugin also correctly handles its SQL queries using prepared statements, which is a strong security practice. However, there are some areas for improvement. The taint analysis indicates that all analyzed flows have unsanitized paths, although none reached a critical or high severity level. Furthermore, the output escaping is only 63% proper, suggesting potential for cross-site scripting (XSS) vulnerabilities if user-supplied data is not consistently sanitized before being displayed. The lack of nonce checks and capability checks on the limited entry points (none exposed) is a concern, as it leaves room for potential future vulnerabilities if the attack surface expands or if the plugin's functionality changes to include sensitive operations.

Key Concerns

  • Output escaping is only 63% proper
  • All taint flows have unsanitized paths
  • No nonce checks
  • No capability checks
Vulnerabilities
None known

Antispam Security Vulnerabilities

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

Antispam Code Analysis

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

SQL Query Safety

100% prepared1 total queries

Output Escaping

63% escaped8 total outputs
Data Flows
2 unsanitized

Data Flow Analysis

2 flows2 with unsanitized paths
verify_spam (comments-antispam.php:159)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Antispam Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 9
actionadmin_bar_menuadmin\admin.php:9
actionadmin_print_stylesadmin\admin.php:10
actionadmin_menuadmin\admin.php:11
actionadmin_enqueue_scriptsadmin\admin.php:12
actionplugins_loadedcomments-antispam.php:20
filterinitcomments-antispam.php:65
actionwp_print_scriptscomments-antispam.php:66
filterprint_footer_scriptscomments-antispam.php:67
actionplugins_loadedcomments-antispam.php:220
Maintenance & Trust

Antispam Maintenance & Trust

Maintenance Signals

WordPress version tested4.7.32
Last updatedDec 29, 2016
PHP min version
Downloads6K

Community Trust

Rating80/100
Number of ratings4
Active installs400
Developer Profile

Antispam Developer Profile

Eugen Bobrowski

3 plugins · 1K total installs

79
trust score
Avg Security Score
78/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Antispam

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/antispam/css/style.css/wp-content/plugins/antispam/js/script.js
Script Paths
/wp-content/plugins/antispam/js/script.js
Version Parameters
antispam/css/style.css?ver=antispam/js/script.js?ver=

HTML / DOM Fingerprints

HTML Comments
<!--comments-antispam.php --><!-- Plugin Name: Antispam -->
Data Attributes
data-antispam-field
JS Globals
veritas
FAQ

Frequently Asked Questions about Antispam