SyHi Security & Risk Analysis

wordpress.org/plugins/syhi

Minimalistic Syntax Highlighter plug-in which also makes sure code can still be copied and pasted into your favourite compiler!

10 active installs v0.0.4 PHP + WP 2.8.5+ Updated Nov 18, 2010
codehighlightpreformattingsyntaxwhitespace
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is SyHi Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 15yr ago
Risk Assessment

The syhi plugin v0.0.4 exhibits a generally strong security posture based on the provided static analysis. The complete absence of AJAX handlers, REST API routes, shortcodes, and cron events significantly limits the potential attack surface. Furthermore, the code signals indicate a lack of dangerous functions, no file operations, and no external HTTP requests, all positive indicators for security. The use of prepared statements for all SQL queries is also a commendable practice, mitigating SQL injection risks.

Key Concerns

  • Output not properly escaped
  • No nonce checks
  • No capability checks
Vulnerabilities
None known

SyHi Security Vulnerabilities

No known vulnerabilities — this is a good sign.
Version History

SyHi Release Timeline

v0.0.4Current
v0.0.3
v0.0.2
Code Analysis
Analyzed Mar 17, 2026

SyHi Code Analysis

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

Output Escaping

0% escaped1 total outputs
Attack Surface

SyHi Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 5
filterthe_contentsyhi.php:53
filterthe_contentsyhi.php:54
filtercomment_textsyhi.php:57
filtercomment_textsyhi.php:58
actionwp_headsyhi.php:61
Maintenance & Trust

SyHi Maintenance & Trust

Maintenance Signals

WordPress version tested3.0.5
Last updatedNov 18, 2010
PHP min version
Downloads3K

Community Trust

Rating0/100
Number of ratings0
Active installs10
Developer Profile

SyHi Developer Profile

soleo

5 plugins · 20 total installs

84
trust score
Avg Security Score
86/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect SyHi

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/syhi/syhi.css

HTML / DOM Fingerprints

CSS Classes
syhi_block
FAQ

Frequently Asked Questions about SyHi