Oxyplug Preload Security & Risk Analysis

wordpress.org/plugins/oxyplug-preload

Preload featured images to improve the Largest Contentful Paint (LCP) and to get a better Core Web Vital (CWV) score on Google's Lighthouse.

600 active installs v2.1.3 PHP 7.4+ WP 4.9+ Updated May 15, 2025
core-web-vitallcppreloadresource-hintseo
100
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Oxyplug Preload Safe to Use in 2026?

Generally Safe

Score 100/100

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

No known CVEs Updated 10mo ago
Risk Assessment

The "oxyplug-preload" v2.1.3 plugin exhibits a generally good security posture based on the static analysis provided. The absence of any recorded vulnerabilities in its history is a significant positive indicator. The code demonstrates a strong commitment to secure coding practices, with all SQL queries utilizing prepared statements and a high percentage of output being properly escaped. The attack surface is minimal, with only one AJAX handler and no exposed REST API routes or shortcodes.

However, there are areas for concern. The presence of two "flows with unsanitized paths" in the taint analysis, even without critical or high severity, suggests a potential for path traversal or similar file system manipulation vulnerabilities if these flows are not handled with extreme care. Furthermore, the complete lack of capability checks on the single AJAX handler is a notable weakness. While the attacker would still need to know the specific AJAX hook, this absence means any authenticated user, regardless of their role or permissions, could potentially trigger this handler, increasing the risk if the handler performs sensitive operations.

In conclusion, the plugin benefits from a clean vulnerability history and sound practices in SQL and output escaping. The main weaknesses lie in the identified unsanitized path flows and the absence of capability checks on its AJAX endpoint. These factors, while not indicating immediate critical threats based on the provided data, warrant attention to ensure robust security.

Key Concerns

  • Unsanitized paths in taint analysis
  • No capability checks on AJAX handler
Vulnerabilities
None known

Oxyplug Preload Security Vulnerabilities

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

Oxyplug Preload Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
2
11 escaped
Nonce Checks
1
Capability Checks
0
File Operations
2
External Requests
3
Bundled Libraries
0

Output Escaping

85% escaped13 total outputs
Data Flows
2 unsanitized

Data Flow Analysis

2 flows2 with unsanitized paths
oxyplug_preload_save_preloads (oxy-preload.php:500)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Oxyplug Preload Attack Surface

Entry Points1
Unprotected0

AJAX Handlers 1

authwp_ajax_oxyplug_preload_save_preloadsoxy-preload.php:48
WordPress Hooks 7
actionadmin_initoxy-preload.php:42
actionplugins_loadedoxy-preload.php:45
actionadmin_menuoxy-preload.php:51
filterplugin_action_linksoxy-preload.php:54
actionadmin_headoxy-preload.php:57
actionadmin_enqueue_scriptsoxy-preload.php:60
actionwp_headoxy-preload.php:117
Maintenance & Trust

Oxyplug Preload Maintenance & Trust

Maintenance Signals

WordPress version tested6.8.5
Last updatedMay 15, 2025
PHP min version7.4
Downloads8K

Community Trust

Rating100/100
Number of ratings6
Active installs600
Developer Profile

Oxyplug Preload Developer Profile

Oxyplug Team

5 plugins · 830 total installs

94
trust score
Avg Security Score
100/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Oxyplug Preload

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/oxyplug-preload/assets/js/admin-script.js/wp-content/plugins/oxyplug-preload/assets/css/admin-style.css
Script Paths
/wp-content/plugins/oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/outlined-text-field.js/wp-content/plugins/oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/icon.js/wp-content/plugins/oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/icon-button.js/wp-content/plugins/oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/outlined-button.js/wp-content/plugins/oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/filled-button.js/wp-content/plugins/oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/divider.js+1 more
Version Parameters
oxyplug-preload/assets/js/admin-script.js?ver=oxyplug-preload/assets/css/admin-style.css?ver=oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/outlined-text-field.js?ver=oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/icon.js?ver=oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/icon-button.js?ver=oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/outlined-button.js?ver=oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/filled-button.js?ver=oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/divider.js?ver=oxyplug-preload/assets/js/dist/tools_page_oxyplug-preload-settings/switch.js?ver=

HTML / DOM Fingerprints

HTML Comments
<!-- Generated by OxyPlug Preload -->
Data Attributes
fetchpriority="high"
JS Globals
OXYPLUG_PRELOAD_VERSIONoxyplug_preload_defines
FAQ

Frequently Asked Questions about Oxyplug Preload