WP Forum Server Security & Risk Analysis

wordpress.org/plugins/forum-server

This Wordpress plugin is a complete forum system for your wordpress blog.

100 active installs v1.8.2 PHP + WP 2.6+ Updated May 7, 2015
bbpressforumintegrated
24
F · Critical Risk
CVEs total6
Unpatched2
Last CVEJun 27, 2025
Safety Verdict

Is WP Forum Server Safe to Use in 2026?

Critical Risk — Avoid

Score 24/100

WP Forum Server is critically unsafe with 6 known CVEs, 2 still unpatched. Avoid in production.

6 known CVEs 2 unpatched Last CVE: Jun 27, 2025Updated 10yr ago
Risk Assessment

The 'forum-server' plugin v1.8.2 exhibits a concerning security posture, heavily outweighed by significant risks despite a seemingly limited attack surface. The static analysis reveals a critical flaw in the use of `unserialize`, which is a known vector for remote code execution if used with untrusted input. Furthermore, the taint analysis indicates a high prevalence of unsanitized paths (100% of analyzed flows), with 7 flows marked as high severity, suggesting potential data leakage or manipulation vulnerabilities. The complete lack of nonce checks and capability checks on any entry points, combined with a very low percentage of properly escaped output (1%), amplifies these risks, making it highly susceptible to various injection attacks.

The vulnerability history is also alarming. Six known CVEs, with two still unpatched, including one critical and two high-severity vulnerabilities, demonstrate a recurring pattern of security weaknesses. The common vulnerability types (CSRF, SQL Injection, XSS) align with the observed code signals (lack of sanitization, raw SQL, unescaped output). The recent nature of the last vulnerability further suggests ongoing security issues. While the plugin reports no external HTTP requests, this offers minimal mitigation against the severe internal code and historical vulnerabilities. In conclusion, this plugin presents a high risk due to its exploitable code patterns, extensive unsanitized data flows, and a history of critical and unpatched vulnerabilities, indicating a lack of robust security development practices.

Key Concerns

  • Unpatched Critical CVE (x1)
  • Unpatched High CVE (x2)
  • High severity taint flows (x7)
  • Dangerous function: unserialize
  • Low percentage of prepared statements (12%)
  • Very low percentage of properly escaped output (1%)
  • No nonce checks
  • No capability checks
  • 14 flows with unsanitized paths
Vulnerabilities
6

WP Forum Server Security Vulnerabilities

CVEs by Year

1 CVE in 2011
2011
3 CVEs in 2012
2012
2 CVEs in 2025 · unpatched
2025
Patched Has unpatched

Severity Breakdown

Critical
1
High
2
Medium
3

6 total CVEs

CVE-2025-53305medium · 4.3Cross-Site Request Forgery (CSRF)

WP Forum Server <= 1.8.2 - Cross-Site Request Forgery

Jun 27, 2025Unpatched
CVE-2025-53306medium · 4.9Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

WP Forum Server <= 1.8.2 - Authenticated (Administrator+) SQL Injection

Jun 27, 2025Unpatched
CVE-2012-6622medium · 6.1Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

WP Forum Server <= 1.7.3 - Authenticated (Admin+) Stored Cross-Site Scripting

May 15, 2012 Patched in 1.7.4 (4270d)
CVE-2012-6623high · 7.1Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

WP Forum Server < 1.7.5 - Cross-Site Scripting

May 15, 2012 Patched in 1.7.5 (4270d)
CVE-2012-6625high · 7.2Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

WP Forum Server < 1.7.4 - SQL Injection

May 15, 2012 Patched in 1.7.4 (4270d)
CVE-2011-1047critical · 9.8Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')

WP Forum Server <= 1.6.5 - SQL Injection

Feb 22, 2011 Patched in 1.6.6 (4718d)
Code Analysis
Analyzed Mar 16, 2026

WP Forum Server Code Analysis

Dangerous Functions
1
Raw SQL Queries
143
20 prepared
Unescaped Output
117
1 escaped
Nonce Checks
0
Capability Checks
0
File Operations
1
External Requests
0
Bundled Libraries
0

Dangerous Functions Found

unserialize$p = unserialize($u->meta_value);wpf.class.php:2833

SQL Query Safety

12% prepared163 total queries

Output Escaping

1% escaped118 total outputs
Data Flows
14 unsanitized

Data Flow Analysis

14 flows14 with unsanitized paths
go (wpf.class.php:537)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

WP Forum Server Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 14
actionthe_contentwpf-main.php:18
actionadmin_head-forum-server/fs-admin/fs-admin.phpwpf-main.php:27
actioninitwpf-main.php:28
actionwp_logoutwpf-main.php:29
filterwp_titlewpf-main.php:30
actionadmin_menuwpf.class.php:17
actionadmin_headwpf.class.php:20
actionwp_headwpf.class.php:23
actionplugins_loadedwpf.class.php:26
actionplugins_loadedwpf.class.php:29
actionwp_footerwpf.class.php:32
filterrewrite_rules_arraywpf.class.php:35
filterquery_varswpf.class.php:38
filterinitwpf.class.php:41
Maintenance & Trust

WP Forum Server Maintenance & Trust

Maintenance Signals

WordPress version tested4.2.39
Last updatedMay 7, 2015
PHP min version
Downloads232K

Community Trust

Rating66/100
Number of ratings12
Active installs100
Developer Profile

WP Forum Server Developer Profile

lucidcrew

1 plugin · 100 total installs

26
trust score
Avg Security Score
24/100
Avg Patch Time
4382 days
View full developer profile
Detection Fingerprints

How We Detect WP Forum Server

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/forum-server/css/wpf-style.css/wp-content/plugins/forum-server/js/wpf.js/wp-content/plugins/forum-server/images/forum-server-logo.png/wp-content/plugins/forum-server/images/user.png
Script Paths
/wp-content/plugins/forum-server/js/wpf.js
Version Parameters
forum-server/css/wpf-style.css?ver=forum-server/js/wpf.js?ver=

HTML / DOM Fingerprints

CSS Classes
wpf-wrapwpf-contentwpf-postwpf-replywpf-avatarwpf-authorwpf-metawpf-subject+5 more
HTML Comments
<!-- START WP FORUM SERVER --><!-- END WP FORUM SERVER -->
Data Attributes
data-wpf-forum-iddata-wpf-post-iddata-wpf-user-id
JS Globals
wpf_ajax_urlwpf_settings
REST Endpoints
/wp-json/forum-server/v1/posts/wp-json/forum-server/v1/users
Shortcode Output
[wpf-list-forums][wpf-recent-posts][wpf-user-profile][wpf-search]
FAQ

Frequently Asked Questions about WP Forum Server