f(x) SSL Security & Risk Analysis

wordpress.org/plugins/fx-ssl

Simple SSL(HTTPS) Plugin.

40 active installs v1.1.0 PHP + WP 4.0+ Updated Aug 1, 2016
members-onlyprivate-siteprotect-rss
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is f(x) SSL Safe to Use in 2026?

Generally Safe

Score 85/100

f(x) SSL 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 fx-ssl plugin version 1.1.0 presents a mixed security posture. On the positive side, there are no registered vulnerabilities (CVEs) associated with this plugin, and the static analysis shows no immediate critical or high severity issues. The absence of dangerous functions, file operations, external HTTP requests, and the use of prepared statements for SQL queries are all good security practices. However, there are significant concerns regarding output escaping and the presence of unsanitized paths in taint flows.

The static analysis indicates that only 38% of output is properly escaped. This is a notable weakness, as insufficient output escaping can lead to Cross-Site Scripting (XSS) vulnerabilities, allowing attackers to inject malicious scripts into the website. Additionally, the taint analysis revealed two flows with unsanitized paths. While marked as critical and high severity 0, this still points to potential pathways where user-supplied data could be misused to access or manipulate files or system resources if not handled with proper sanitization and validation.

The plugin's vulnerability history is clean, which is a positive indicator. However, the lack of recorded vulnerabilities could also be due to limited security auditing or the plugin's specific functionality not attracting attacker interest. The significant number of unprotected entry points being zero is excellent. Despite the clean history, the identified weaknesses in output escaping and taint flows warrant attention to prevent potential security incidents.

Key Concerns

  • Low output escaping percentage (38%)
  • Unsanitized paths in taint flows (2 instances)
Vulnerabilities
None known

f(x) SSL Security Vulnerabilities

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

f(x) SSL Code Analysis

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

Output Escaping

38% escaped8 total outputs
Data Flows
2 unsanitized

Data Flow Analysis

2 flows2 with unsanitized paths
fx_ssl_template_redirect (includes\functions.php:58)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

f(x) SSL Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 17
actionplugins_loadedfx-ssl.php:42
actionadmin_noticesfx-ssl.php:91
actioninitincludes\functions.php:33
actiontemplate_redirectincludes\functions.php:45
actiontemplate_redirectincludes\functions.php:48
filterget_the_excerptincludes\functions.php:79
filterthe_contentincludes\functions.php:82
filterwidget_textincludes\functions.php:87
filterwp_nav_menuincludes\functions.php:90
filtertemplate_directory_uriincludes\functions.php:95
filterstylesheet_directory_uriincludes\functions.php:98
filterget_the_imageincludes\functions.php:103
filterpost_thumbnail_htmlincludes\functions.php:106
filterclean_urlincludes\functions.php:111
filterset_url_schemeincludes\functions.php:114
filterplugins_urlincludes\functions.php:117
actionadmin_initincludes\settings.php:41
Maintenance & Trust

f(x) SSL Maintenance & Trust

Maintenance Signals

WordPress version tested4.7.32
Last updatedAug 1, 2016
PHP min version
Downloads4K

Community Trust

Rating90/100
Number of ratings4
Active installs40
Developer Profile

f(x) SSL Developer Profile

David Chandra Purnama

12 plugins · 2K total installs

82
trust score
Avg Security Score
83/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect f(x) SSL

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 f(x) SSL