
Spam Defender – Email Blocker Security & Risk Analysis
wordpress.org/plugins/spam-defender-email-blockerBlock specific email addresses from using your WordPress site. Stop fake orders, spam registrations, and unwanted comments.
Is Spam Defender – Email Blocker Safe to Use in 2026?
Generally Safe
Score 100/100Spam Defender – Email Blocker has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.
The "spam-defender-email-blocker" v1.0.1 plugin exhibits a strong security posture based on the provided static analysis. The complete absence of dangerous functions, SQL queries, file operations, and external HTTP requests is commendable. Furthermore, all identified output is properly escaped, and nonce checks are present, indicating good development practices for securing sensitive operations.
The taint analysis reveals no flows with unsanitized paths or any critical or high-severity issues, which is a positive sign. The vulnerability history is also clean, with no known CVEs, indicating a lack of previously discovered significant security flaws. This suggests the plugin has likely been developed with security in mind or has been robust enough to avoid past exploitable issues.
While the plugin demonstrates several strengths, it's important to note the absence of capability checks. While not a direct vulnerability in this specific analysis, it could become a concern if the plugin were to introduce new functionality that requires user role enforcement. Overall, the plugin appears secure for its current version and feature set, with no immediate critical risks identified.
Spam Defender – Email Blocker Security Vulnerabilities
Spam Defender – Email Blocker Code Analysis
Output Escaping
Data Flow Analysis
Spam Defender – Email Blocker Attack Surface
WordPress Hooks 7
Maintenance & Trust
Spam Defender – Email Blocker Maintenance & Trust
Maintenance Signals
Community Trust
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Spam Defender – Email Blocker Developer Profile
5 plugins · 60 total installs
How We Detect Spam Defender – Email Blocker
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
/wp-content/plugins/spam-defender-email-blocker/spam-defender-email-blocker.phpHTML / DOM Fingerprints
wrapwidefatstripedtablenavtablenav-pagesname="block_email"name="email_to_block"name="sdef_block_email_nonce"name="unblock_email"name="email"name="sdef_unblock_email_nonce"+2 more