Simple Login Form Security & Risk Analysis

wordpress.org/plugins/simple-login-form

Put simple login form on page or template using shortcode .

100 active installs v1.0.1 PHP + WP 3.5.0+ Updated Unknown
login-formsimple-login-form
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Simple Login Form Safe to Use in 2026?

Generally Safe

Score 100/100

Simple Login Form has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs
Risk Assessment

The "simple-login-form" v1.0.1 plugin exhibits a mixed security posture. On the positive side, the plugin has no known historical vulnerabilities, which suggests a good track record. Furthermore, all SQL queries are properly prepared, and there are no file operations or external HTTP requests, reducing common attack vectors. However, the static analysis reveals significant areas for concern. The presence of 2 taint flows with unsanitized paths, even if not categorized as critical or high severity in this specific analysis, indicates a potential for vulnerabilities if user-supplied data is not handled rigorously. Crucially, the plugin lacks any nonce checks or capability checks for its single entry point (the shortcode), meaning any authenticated user, regardless of their role or permissions, could potentially interact with or exploit this shortcode in unintended ways. The 50% rate of properly escaped output is also concerning, as unescaped output can lead to Cross-Site Scripting (XSS) vulnerabilities.

While the absence of known CVEs is reassuring, the lack of fundamental security checks like nonce and capability checks on its primary entry point is a significant oversight. The taint analysis, despite not flagging critical issues, hints at potential data handling problems that could be exacerbated by the lack of authorization checks. The plugin's strengths lie in its avoidance of direct database manipulation vulnerabilities and external communication, but its weaknesses in input sanitization and authorization on its shortcode entry point present a tangible risk. A prudent approach would involve addressing the potential taint flows and implementing robust authorization and nonce checks on the shortcode to mitigate the identified risks.

Key Concerns

  • Taint flow with unsanitized path
  • Unescaped output detected
  • Shortcode without nonce check
  • Shortcode without capability check
Vulnerabilities
None known

Simple Login Form Security Vulnerabilities

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

Simple Login Form Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
2
2 escaped
Nonce Checks
0
Capability Checks
0
File Operations
0
External Requests
0
Bundled Libraries
0

Output Escaping

50% escaped4 total outputs
Data Flows
2 unsanitized

Data Flow Analysis

2 flows2 with unsanitized paths
my_front_end_login_fail (simple-login-form.php:69)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Simple Login Form Attack Surface

Entry Points1
Unprotected0

Shortcodes 1

[simple-login-form] simple-login-form.php:63
WordPress Hooks 2
actionwp_footersimple-login-form.php:20
actionwp_login_failedsimple-login-form.php:67
Maintenance & Trust

Simple Login Form Maintenance & Trust

Maintenance Signals

WordPress version tested6.0.11
Last updatedUnknown
PHP min version
Downloads10K

Community Trust

Rating100/100
Number of ratings3
Active installs100
Developer Profile

Simple Login Form Developer Profile

Aftab Husain

5 plugins · 3K total installs

77
trust score
Avg Security Score
75/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Simple Login Form

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/simple-login-form/includes/front-style.css

HTML / DOM Fingerprints

CSS Classes
alar-login-formalar-login-headingftxtfbtn
Data Attributes
id="loginform"name="loginform"id="user_login"id="user_pass"id="wp-submit"
Shortcode Output
<div class="alar-login-form"><div class="alar-login-heading"><form method="post" action="<input type="text" tabindex="10" size="20" value="" class="input" id="user_login" required name="log" />
FAQ

Frequently Asked Questions about Simple Login Form