Deprecation Checker Security & Risk Analysis

wordpress.org/plugins/deprecation-checker

Deprecation Checker simply scans your plugins, themes, and custom directories for deprecated functions.

20 active installs v0.1 PHP + WP 3.3+ Updated Feb 29, 2012
debugdebuggerdeprecatedeprecateddeprecation
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Deprecation Checker Safe to Use in 2026?

Generally Safe

Score 85/100

Deprecation Checker has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 14yr ago
Risk Assessment

The deprecation-checker plugin v0.1 exhibits a generally strong security posture based on the provided static analysis. The plugin has a minimal attack surface with no identified entry points requiring authentication, and it uses prepared statements for all SQL queries. This indicates good development practices regarding common web vulnerabilities like SQL injection. There are no recorded vulnerabilities or CVEs associated with this plugin, further suggesting a history of secure development or minimal prior exposure. However, a significant concern arises from the output escaping analysis, which shows that 100% of its outputs are not properly escaped. This leaves the plugin susceptible to Cross-Site Scripting (XSS) attacks if any of the outputs are derived from user-controlled input, even without a large attack surface. The presence of file operations without explicit security checks also warrants attention, although the nature and context of these operations are not detailed.

Key Concerns

  • Outputs are not properly escaped
Vulnerabilities
None known

Deprecation Checker Security Vulnerabilities

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

Deprecation Checker Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
1
0 escaped
Nonce Checks
0
Capability Checks
0
File Operations
2
External Requests
0
Bundled Libraries
0

Output Escaping

0% escaped1 total outputs
Attack Surface

Deprecation Checker Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 1
actionadmin_menudeprecation-checker.php:117
Maintenance & Trust

Deprecation Checker Maintenance & Trust

Maintenance Signals

WordPress version tested3.3.2
Last updatedFeb 29, 2012
PHP min version
Downloads3K

Community Trust

Rating100/100
Number of ratings2
Active installs20
Developer Profile

Deprecation Checker Developer Profile

Brian Fegter

2 plugins · 30 total installs

84
trust score
Avg Security Score
85/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Deprecation Checker

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

Asset Fingerprints

HTML / DOM Fingerprints

Shortcode Output
<div class="wrap"> <div class="icon32" id="icon-tools"><br></div> <h2>Deprecation Checker</h2> <div class="tool-box"> <h3 class="title">Paths to Search</h3> <p>All themes and plugin files will be checked. You may add extra paths to search by hooking the "deprecation_check_paths" filter. You can easily turn off search for the themes or plugin directories by defining the DEP_CHECK_NO_PLUGINS and DEP_CHECK_NO_THEMES as TRUE. <br><br><strong>Example:</strong> <pre> add_filter("deprecation_check_paths", "add_deprecated_paths_to_check", 0, 1); function add_deprecated_paths_to_check($paths){ $paths["descriptive_slug"] = ABSPATH."wp_content/custom_folder"; return $paths; } </pre> </p> <h3 class="title">Functions List</h3> <p>WordPress deprecated functions are collated automatically. You may add more functions to the deprecations array by hooking the "deprecation_check_functions" hook. <br><br><strong>Example:</strong> <pre> add_filter("deprecation_check_functions", "add_deprecated_function", 0, 1); function add_deprecated_function($functions){ $functions["deprecated_function_name"] = array( "new_function" =>"new_function()", "since" => "version_number" ); return $functions; } </pre> </p> <form method="post"> <button type="submit" class="button-secondary" name="deprecation-check">Check Files</button> </form><br>
FAQ

Frequently Asked Questions about Deprecation Checker