Mobile CSS Security & Risk Analysis

wordpress.org/plugins/mobile-css

Allows you to define different CSS styles that get loaded for specific mobile devices.

500 active installs v1.2 PHP + WP 3.0+ Updated Sep 5, 2013
cssmobilephonestyletablet
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Mobile CSS Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 12yr ago
Risk Assessment

The 'mobile-css' plugin v1.2 exhibits a mixed security posture. On the positive side, it demonstrates excellent practices regarding SQL injection prevention, with 100% of queries using prepared statements and no recorded vulnerabilities or CVEs. The absence of a large attack surface, particularly unprotected entry points like AJAX handlers, REST API routes, and shortcodes, is also a strong indicator of good security awareness. However, significant concerns arise from the static analysis. The presence of two 'unserialize' calls without clear sanitization context is a major red flag, as unserialization of untrusted data can lead to Remote Code Execution (RCE). Furthermore, the analysis indicates that 0% of outputs are properly escaped, meaning stored or reflected data could be vulnerable to Cross-Site Scripting (XSS) attacks. The single nonce check and capability check suggest some attempt at security, but the lack of widespread output escaping and the critical nature of unsanitized unserialization present substantial risks. The complete absence of recorded vulnerabilities is positive, but it does not negate the inherent risks identified in the code itself.

Key Concerns

  • Unescaped output (XSS risk)
  • Dangerous function: unserialize (RCE risk)
Vulnerabilities
None known

Mobile CSS Security Vulnerabilities

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

Mobile CSS Code Analysis

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

Dangerous Functions Found

unserialize$current_values = unserialize( $current_values[0] );mc-includes\mc.functions.php:32
unserialize$current_values = unserialize( $current_values[0] );mc-includes\mc.meta_box.php:43

Output Escaping

0% escaped11 total outputs
Attack Surface

Mobile CSS Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 8
actionwp_headmc-includes\mc.functions.php:111
filterenter_title_heremc-includes\mc.functions.php:132
filteruser_can_richeditmc-includes\mc.functions.php:149
actionadmin_headmc-includes\mc.functions.php:229
actionmedia_buttonsmc-includes\mc.functions.php:247
actionadd_meta_boxesmc-includes\mc.meta_box.php:19
actionsave_postmc-includes\mc.meta_box.php:92
actioninitmc-includes\mc.post_types.php:50
Maintenance & Trust

Mobile CSS Maintenance & Trust

Maintenance Signals

WordPress version tested3.6.1
Last updatedSep 5, 2013
PHP min version
Downloads13K

Community Trust

Rating100/100
Number of ratings6
Active installs500
Developer Profile

Mobile CSS Developer Profile

Maxaud

4 plugins · 720 total installs

86
trust score
Avg Security Score
89/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Mobile CSS

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/mobile-css/mc-includes/css/mobile-css.css

HTML / DOM Fingerprints

CSS Classes
mc_form_fieldmc_input_containermc_desc
HTML Comments
<!-- Mobile CSS styles - /* START: /* END:
Data Attributes
mc_rulesmc_device_typemc_phone_typemc_tablet_type
FAQ

Frequently Asked Questions about Mobile CSS