Does 4 Level Slider have any unpatched vulnerabilities?

No published vulnerabilities and no findings under coordinated disclosure as of the latest data update. Always keep the plugin updated to the latest version.

Is 4 Level Slider compatible with WordPress 5.4.19?

According to WordPress.org data, 4 Level Slider 1.0 has been tested up to WordPress 5.4.19. Check the plugin's changelog for the latest compatibility information.

Is 4 Level Slider compatible with PHP 5.6+?

4 Level Slider requires PHP 5.6 or higher. Most modern WordPress hosts run PHP 8.1 or 8.2. If you are on an older PHP version, consider upgrading before installing this plugin.

How often is 4 Level Slider updated?

4 Level Slider was last updated on Apr 18, 2020. Frequent updates are generally a positive security signal.

What is 4 Level Slider's security score?

4 Level Slider has a WP-Safety security score of 85/100. This score is computed from CVE history, patch response time, developer trust signals, and plugin maintenance activity.

4 Level Slider Security & Risk Analysis

wordpress.org/plugins/4-level-slider

Slider plugin with 4 images. It has Title, Link and Image. Just save your changes and copy shortcode where you want to place this slider.

0 active installs v1.0 PHP 5.6+ WP 4.0+ Updated Apr 18, 2020

four-imagesfreefull-widthresponsiveslider

A · Safe

CVEs total0

Unpatched0

Last CVENever

Plugin page Download

Safety Verdict

Is 4 Level Slider Safe to Use in 2026?

Generally Safe

Score 85/100

4 Level Slider has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 6yr ago

Risk Assessment

The '4-level-slider' v1.0 plugin exhibits a strong security posture based on the provided static analysis. The absence of dangerous functions, reliance on prepared statements for all SQL queries, and a high percentage of properly escaped output are excellent security practices. The single shortcode entry point is protected by a nonce check, further mitigating potential risks. Taint analysis also reveals no unsanitized paths, indicating a low likelihood of remote code execution or data leakage through untrusted input.

Vulnerabilities

None known

4 Level Slider Security Vulnerabilities

No known vulnerabilities — this is a good sign.

Version History

4 Level Slider Release Timeline

No version history available.

Code Analysis

Analyzed Apr 16, 2026

4 Level Slider Code Analysis

Dangerous Functions

Raw SQL Queries

0 prepared

Unescaped Output

56 escaped

Nonce Checks

Capability Checks

File Operations

External Requests

Bundled Libraries

Output Escaping

93% escaped60 total outputs

Data Flows · Security

All sanitized

Data Flow Analysis

2 flows

four_level_slider_fields (inc/fls-admin.php:11)

Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized

Attack Surface

4 Level Slider Attack Surface

Entry Points1

Unprotected0

Shortcodes 1

[four_level_slider] inc/fls-frontend.php:56

WordPress Hooks 4

actionadmin_menuinc/fls-admin.php:6

actionwp_headinc/fls-enqueue.php:19

actionadmin_enqueue_scriptsinc/fls-enqueue.php:38

actionwp_enqueue_scriptsinc/fls-enqueue.php:49

Maintenance & Trust

4 Level Slider Maintenance & Trust

Maintenance Signals

WordPress version tested5.4.19

Last updatedApr 18, 2020

PHP min version5.6

Downloads1K

Community Trust

Rating0/100

Number of ratings0

Active installs0

Alternatives

4 Level Slider Alternatives

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Developer Profile

4 Level Slider Developer Profile

ascdevbh

1 plugin · 0 total installs

trust score

Avg Security Score

85/100

Avg Patch Time

30 days

View full developer profile

Detection Fingerprints

How We Detect 4 Level Slider

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

Asset Fingerprints

Asset Paths

/wp-content/plugins/4-level-slider/dist/css/fls-admin-style.css/wp-content/plugins/4-level-slider/dist/js/fls-color-picker.js/wp-content/plugins/4-level-slider/dist/js/fls-media-uploader.js/wp-content/plugins/4-level-slider/dist/css/fls-front-style.css/wp-content/plugins/4-level-slider/dist/js/fls-image-slider.js

Script Paths

../dist/js/fls-color-picker.js../dist/js/fls-media-uploader.js../dist/js/fls-image-slider.js

HTML / DOM Fingerprints

CSS Classes

fls-sliderbackground-slideshowfls-slider-controlsfls-slider-namefls-slider-numberfls-slider-name active

Data Attributes

backgroundcolor

Shortcode Output

<section class="fls-slider text-center">
    <div id="background-slideshow" class="background-slideshow">
        <div class="fls-slider-controls" style="background:

">
            <div class="fls-slider-name active"><a href="

" style="color: ;">

FAQ