Simple Iframe Security & Risk Analysis

wordpress.org/plugins/simple-iframe

Easily insert iframes inside the block editor.

6K active installs v1.2.0 PHP 7.4.0+ WP 5.0.0+ Updated Jun 9, 2024
blockexternaliframe
92
A · Safe
CVEs total1
Unpatched0
Last CVEJun 19, 2023
Safety Verdict

Is Simple Iframe Safe to Use in 2026?

Generally Safe

Score 92/100

Simple Iframe has a strong security track record. Known vulnerabilities have been patched promptly. It's a solid choice for most WordPress installations.

1 known CVELast CVE: Jun 19, 2023Updated 1yr ago
Risk Assessment

The static analysis of simple-iframe v1.2.0 reveals a seemingly secure codebase with no identified dangerous functions, raw SQL queries, unescaped output, file operations, or external HTTP requests. The absence of any reported taint flows also suggests robust input sanitization and handling. Furthermore, the plugin has no unprotected entry points like AJAX handlers, REST API routes, shortcodes, or cron events without proper authentication or capability checks. This indicates good development practices regarding secure coding principles and attack surface minimization.

However, the plugin's vulnerability history presents a significant concern. It has a known CVE from 2023-06-19, specifically a medium-severity Cross-site Scripting (XSS) vulnerability. Although this vulnerability is marked as patched, the existence of a past XSS issue, especially one that was medium severity, warrants careful consideration. It suggests that while the current version might be clean, there's a historical tendency for input sanitization or output escaping to be insufficient in certain scenarios. This pattern implies a need for ongoing vigilance and potentially more thorough code reviews for future updates.

In conclusion, simple-iframe v1.2.0 demonstrates strong static security hygiene in its current iteration, with no immediate code-level risks apparent. The absence of a large attack surface and the use of prepared statements are positive signs. Nevertheless, the past XSS vulnerability indicates a potential blind spot in the development process that could re-emerge. Therefore, while the current version appears safe based on the static analysis, the historical context adds a layer of caution, emphasizing the importance of the latest version being the one installed and regularly checking for new vulnerabilities.

Key Concerns

  • Medium severity XSS vulnerability in history
  • No capability checks found
  • No nonce checks found
Vulnerabilities
1 published

Simple Iframe Security Vulnerabilities

CVEs by Year

1 CVE in 2023
2023
Patched Has unpatched

Severity Breakdown

Medium
1

1 total CVE

CVE-2023-2964medium · 6.4Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Simple Iframe <= 1.1.1 - Authenticated(Contributor+) Stored Cross-Site Scripting via block attributes

Jun 19, 2023 Patched in 1.2.0 (218d)
Version History

Simple Iframe Release Timeline

No version history available.
Code Analysis
Analyzed Mar 16, 2026

Simple Iframe Code Analysis

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

Simple Iframe Attack Surface

Entry Points0
Unprotected0
WordPress Hooks 1
actioninitsimple-iframe.php:14
Maintenance & Trust

Simple Iframe Maintenance & Trust

Maintenance Signals

WordPress version tested6.6.0
Last updatedJun 9, 2024
PHP min version7.4.0
Downloads103K

Community Trust

Rating94/100
Number of ratings17
Active installs6K
Developer Profile

Simple Iframe Developer Profile

unapersona

1 plugin · 6K total installs

73
trust score
Avg Security Score
92/100
Avg Patch Time
218 days
View full developer profile
Detection Fingerprints

How We Detect Simple Iframe

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/simple-iframe/build/index.js/wp-content/plugins/simple-iframe/build/style-index.css
Script Paths
/wp-content/plugins/simple-iframe/build/index.js
Version Parameters
simple-iframe/build/index.js?ver=simple-iframe/build/style-index.css?ver=

HTML / DOM Fingerprints

FAQ

Frequently Asked Questions about Simple Iframe