Ultimate Browser Specific Css Security & Risk Analysis

wordpress.org/plugins/ultimate-browser-specific-css

This is a javascript plugin that helps you to write Browser specific css on your wordpress website

30 active installs v1.0 PHP + WP 3.0+ Updated Sep 23, 2014
browser-detectbrowser-specific-csscustom-cssfirfox-specific-cssinternet-explorer-specific-css
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Ultimate Browser Specific Css Safe to Use in 2026?

Generally Safe

Score 85/100

Ultimate Browser Specific Css has no known CVEs and is actively maintained. It's a solid choice for most WordPress installations.

No known CVEs Updated 11yr ago
Risk Assessment

The "ultimate-browser-specific-css" v1.0 plugin exhibits a mixed security posture. On the positive side, the plugin demonstrates good practices regarding database interactions, with all SQL queries utilizing prepared statements. Furthermore, the absence of known CVEs and a clean vulnerability history suggests a generally stable and secure codebase over time. The plugin also avoids external HTTP requests and file operations, which are common vectors for vulnerabilities.

However, significant concerns arise from the code analysis. The most critical finding is that 100% of the observed output is not properly escaped. This presents a high risk of Cross-Site Scripting (XSS) vulnerabilities, where malicious scripts could be injected and executed in the user's browser. While the taint analysis showed no critical or high severity flows, the presence of unsanitized paths in 100% of the analyzed flows, coupled with unescaped output, strongly indicates potential for XSS if user-supplied data is not properly handled before being outputted. The complete lack of capability checks and nonce checks on entry points (even though the attack surface is reported as zero) is also a notable weakness that could become a problem if the plugin's functionality evolves or new entry points are introduced without adequate security in mind.

In conclusion, while the plugin benefits from a clean vulnerability history and secure database practices, the pervasive issue of unescaped output and the potential for unsanitized path flows represent a significant security risk that needs immediate attention. The absence of checks on entry points, though currently not exploitable due to a zero attack surface, highlights a lack of defensive depth.

Key Concerns

  • 0% output escaping
  • 2/2 unsanitized paths
  • 0 capability checks
  • 0 nonce checks
Vulnerabilities
None known

Ultimate Browser Specific Css Security Vulnerabilities

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

Ultimate Browser Specific Css Code Analysis

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

Output Escaping

0% escaped2 total outputs
Data Flows
2 unsanitized

Data Flow Analysis

2 flows2 with unsanitized paths
bsc_control (ultimate-browser-specific-css.php:36)
Source (user input) Sink (dangerous op) Sanitizer Transform Unsanitized Sanitized
Attack Surface

Ultimate Browser Specific Css Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 5
actionadmin_menuultimate-browser-specific-css.php:32
actionwp_enqueue_scriptsultimate-browser-specific-css.php:91
actionwp_headultimate-browser-specific-css.php:103
actionwp_headultimate-browser-specific-css.php:107
actionwp_footerultimate-browser-specific-css.php:113
Maintenance & Trust

Ultimate Browser Specific Css Maintenance & Trust

Maintenance Signals

WordPress version tested4.0.38
Last updatedSep 23, 2014
PHP min version
Downloads3K

Community Trust

Rating46/100
Number of ratings3
Active installs30
Developer Profile

Ultimate Browser Specific Css Developer Profile

sureshdsk

3 plugins · 40 total installs

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

How We Detect Ultimate Browser Specific Css

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/ultimate-browser-specific-css/script/brower-specific-css.js
Script Paths
/wp-content/plugins/ultimate-browser-specific-css/script/brower-specific-css.js

HTML / DOM Fingerprints

FAQ

Frequently Asked Questions about Ultimate Browser Specific Css