
Cat + Tag Filter Security & Risk Analysis
wordpress.org/plugins/cat-tag-filter-widgetThis plugin adds a widget to your WordPress site that gives your visitors an ability to filter all your posts by a category or/and tag.
Is Cat + Tag Filter Safe to Use in 2026?
Generally Safe
Score 85/100Cat + Tag Filter has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.
The "cat-tag-filter-widget" plugin, version 0.9.1, exhibits a generally good security posture with no known vulnerabilities or critical taint analysis findings. The absence of direct entry points like AJAX handlers, REST API routes, or shortcodes significantly limits the attack surface. Furthermore, all SQL queries utilize prepared statements, and there are no file operations or external HTTP requests, which are positive security indicators. However, the static analysis reveals some areas for concern. The presence of the `create_function` dangerous function is a significant red flag, as it can lead to arbitrary code execution if not handled with extreme care, although its usage isn't directly linked to any exploit in the provided data. Additionally, a substantial portion (62%) of output is not properly escaped, posing a risk of cross-site scripting (XSS) vulnerabilities. While no direct exploits are evident, these factors, combined with a complete lack of capability checks and nonce verification on potential entry points (though none are listed), suggest that the plugin may not be as robustly secured as it could be. The lack of any recorded vulnerability history might indicate a lack of active exploitation or that the plugin is not widely used, rather than an inherent lack of risk.
Key Concerns
- Dangerous function 'create_function' used
- Significant percentage of unescaped output
- No capability checks present
- No nonce checks present
Cat + Tag Filter Security Vulnerabilities
Cat + Tag Filter Code Analysis
Dangerous Functions Found
Output Escaping
Data Flow Analysis
Cat + Tag Filter Attack Surface
WordPress Hooks 2
Maintenance & Trust
Cat + Tag Filter Maintenance & Trust
Maintenance Signals
Community Trust
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Cat + Tag Filter Developer Profile
5 plugins · 150 total installs
How We Detect Cat + Tag Filter
Patterns used to identify this plugin on WordPress sites during automated security audits and web crawling.
Asset Fingerprints
/wp-content/plugins/cat-tag-filter-widget/cat-tag-filter.phpHTML / DOM Fingerprints
ctf-category-selectorctf-tag-selectorctf-submit<!--id="ctf-category-selector"style="display:none;"id="ctf-cat-select"id="ctf-tag-selector"id="ctf-tag-select"id="ctf-submit"+8 more