Nuno Sarmento Custom CSS – JS Security & Risk Analysis

wordpress.org/plugins/nuno-sarmento-custom-css-js

Custom CSS & JavaScripts functions.

10 active installs v1.0.3 PHP + WP 3.0.1+ Updated Nov 27, 2020
admincsscustomjavascriptstyle
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Nuno Sarmento Custom CSS – JS Safe to Use in 2026?

Generally Safe

Score 85/100

Nuno Sarmento Custom CSS – JS has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 5yr ago
Risk Assessment

The "nuno-sarmento-custom-css-js" plugin version 1.0.3 exhibits a generally strong security posture based on the provided static analysis. The absence of any identified AJAX handlers, REST API routes, shortcodes, or cron events with exposed attack surfaces is a significant positive. Furthermore, the code demonstrates good practices with 100% of SQL queries using prepared statements and the presence of nonces and capability checks. The taint analysis reveals no critical or high-severity flows, indicating no obvious vulnerabilities related to unsanitized data processing.

However, a notable concern arises from the output escaping. With 11 total outputs and only 9% properly escaped, this represents a significant risk of Cross-Site Scripting (XSS) vulnerabilities. Attackers could potentially inject malicious scripts through user-controllable data that is not adequately sanitized before being displayed to other users or administrators. The plugin also has no recorded vulnerability history, which is positive, but it doesn't negate the risks identified in the static analysis. A balanced view would highlight the robust handling of database operations and input points, but strongly caution against the prevalent lack of output sanitization.

Key Concerns

  • Insufficient output escaping
Vulnerabilities
None known

Nuno Sarmento Custom CSS – JS Security Vulnerabilities

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

Nuno Sarmento Custom CSS – JS Code Analysis

Dangerous Functions
0
Raw SQL Queries
0
0 prepared
Unescaped Output
10
1 escaped
Nonce Checks
1
Capability Checks
2
File Operations
0
External Requests
0
Bundled Libraries
0

Output Escaping

9% escaped11 total outputs
Data Flows
All sanitized

Data Flow Analysis

2 flows
save_meta_box_data (admin\nuno-sarmento-custom-css-js-services.php:110)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Nuno Sarmento Custom CSS – JS Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 6
actionadd_meta_boxesadmin\nuno-sarmento-custom-css-js-services.php:15
actionsave_postadmin\nuno-sarmento-custom-css-js-services.php:16
actionadmin_menuadmin\nuno-sarmento-custom-css-js-services.php:17
actionadmin_enqueue_scriptsadmin\nuno-sarmento-custom-css-js-services.php:19
actionwp_print_footer_scriptsadmin\nuno-sarmento-custom-css-js-services.php:22
actionwp_print_footer_scriptsadmin\nuno-sarmento-custom-css-js-services.php:23
Maintenance & Trust

Nuno Sarmento Custom CSS – JS Maintenance & Trust

Maintenance Signals

WordPress version tested5.6.17
Last updatedNov 27, 2020
PHP min version
Downloads2K

Community Trust

Rating100/100
Number of ratings1
Active installs10
Developer Profile

Nuno Sarmento Custom CSS – JS Developer Profile

Nuno Sarmento

3 plugins · 7K total installs

87
trust score
Avg Security Score
90/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Nuno Sarmento Custom CSS – JS

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/nuno-sarmento-custom-css-js/assets/css/style.css
Version Parameters
nuno-sarmento-custom-css-js/assets/css/style.css?ver=

HTML / DOM Fingerprints

CSS Classes
biw_textarea
Data Attributes
name="tend_ccj_custom_css"id="tend_ccj_custom_css"name="tend_ccj_custom_js_external"id="tend_ccj_custom_js_external"name="tend_ccj_custom_js"id="tend_ccj_custom_js"
FAQ

Frequently Asked Questions about Nuno Sarmento Custom CSS – JS