Prism Syntax Highlighter for WordPress Security & Risk Analysis

wordpress.org/plugins/prism

Most lightweight, yet most configurable and advanced PrismJS WordPress integration plugin. Custom fields display (detached) supported.

60 active installs v1.1.1 PHP + WP 3.5.0+ Updated Oct 2, 2016
codehighlighterprismprismjssyntax
85
A · Safe
CVEs total0
Unpatched0
Last CVENever
Safety Verdict

Is Prism Syntax Highlighter for WordPress Safe to Use in 2026?

Generally Safe

Score 85/100

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

No known CVEs Updated 9yr ago
Risk Assessment

The Prism plugin v1.1.1 exhibits a generally strong security posture based on the provided static analysis. The absence of dangerous functions, SQL queries, file operations, and external HTTP requests is commendable. Furthermore, all detected output is properly escaped, indicating good practices in preventing cross-site scripting (XSS) vulnerabilities.

The plugin's attack surface is minimal, consisting of a single shortcode with no apparent authentication checks. While the static analysis shows no explicit nonce or capability checks, the absence of AJAX handlers and REST API routes significantly reduces the risk associated with these entry points. The lack of any recorded vulnerabilities in its history, including CVEs, further suggests a well-developed and secure plugin.

However, the absence of nonce and capability checks on the shortcode, while not immediately leading to critical issues in this specific analysis, represents a potential weakness. If the shortcode's functionality were to become more complex or handle sensitive data in future versions, the lack of these fundamental WordPress security mechanisms could expose it to vulnerabilities. Overall, Prism v1.1.1 appears secure for its current functionality, but a close eye should be kept on the shortcode's implementation for future updates.

Key Concerns

  • Shortcode lacks capability checks
  • Shortcode lacks nonce checks
Vulnerabilities
None known

Prism Syntax Highlighter for WordPress Security Vulnerabilities

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

Prism Syntax Highlighter for WordPress Code Analysis

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

Output Escaping

100% escaped9 total outputs
Attack Surface

Prism Syntax Highlighter for WordPress Attack Surface

Entry Points1
Unprotected0

Shortcodes 1

[prism] prism.php:49
WordPress Hooks 11
actionplugins_loadedprism.php:28
actionwp_enqueue_scriptsprism.php:38
filtermce_cssprism.php:39
actionwp_enqueue_scriptsprism.php:40
actionwp_enqueue_scriptsprism.php:41
actionadmin_enqueue_scriptsprism.php:43
actionadmin_headprism.php:45
actionmedia_buttonsprism.php:46
actionadmin_footerprism.php:47
filtermce_buttons_2prism.php:51
filtertiny_mce_before_initprism.php:52
Maintenance & Trust

Prism Syntax Highlighter for WordPress Maintenance & Trust

Maintenance Signals

WordPress version tested4.6.30
Last updatedOct 2, 2016
PHP min version
Downloads7K

Community Trust

Rating66/100
Number of ratings7
Active installs60
Developer Profile

Prism Syntax Highlighter for WordPress Developer Profile

Nico

7 plugins · 21K total installs

88
trust score
Avg Security Score
91/100
Avg Patch Time
30 days
View full developer profile
Detection Fingerprints

How We Detect Prism Syntax Highlighter for WordPress

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/prism/prism.css/wp-content/plugins/prism/prism.js
Script Paths
prism.js
Version Parameters
prism.css?ver=prism.js?ver=

HTML / DOM Fingerprints

CSS Classes
language-prism-icon
Data Attributes
data-srcdata-startdata-linedata-line-offsetdata-manual
JS Globals
Prism
Shortcode Output
<pre<code class="language-[prism field="" language=""]
FAQ

Frequently Asked Questions about Prism Syntax Highlighter for WordPress