Extend Link Security & Risk Analysis

wordpress.org/plugins/extend-link

Add classes, IDs, titles, rel attributes, and download options to links. Includes H1–H6 heading support and built-in link status checker for SEO.

1K active installs v2.0.1 PHP 7.4+ WP 5.8+ Updated Feb 2, 2026
classeditorlinknofollowseo
99
A · Safe
CVEs total1
Unpatched0
Last CVEJan 21, 2026
Safety Verdict

Is Extend Link Safe to Use in 2026?

Generally Safe

Score 99/100

Extend Link 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: Jan 21, 2026Updated 3mo ago
Risk Assessment

The "extend-link" plugin v2.0.1 exhibits a strong security posture based on the provided static analysis and vulnerability history. The plugin demonstrates excellent security practices, with all identified entry points (a single AJAX handler) being properly protected by nonce and capability checks. The code also adheres to secure coding standards, evident in the complete absence of dangerous functions, file operations, and external HTTP requests. Furthermore, all SQL queries utilize prepared statements, and all outputs are properly escaped, mitigating common risks like SQL injection and Cross-Site Scripting (XSS). The lack of any recorded vulnerabilities, historical or current, further reinforces its secure reputation.

The analysis reveals no specific code-level risks such as unsanitized taint flows, raw SQL queries, or unescaped output. The only identified potential area of concern is the inclusion of the TinyMCE bundled library, which, if outdated, could theoretically introduce vulnerabilities. However, without specific version information for the bundled library, this remains a theoretical risk rather than a concrete one based on the provided data. The overall lack of attack surface and the meticulous implementation of security checks suggest a well-developed and secure plugin. The plugin's strengths lie in its robust authentication and sanitization measures, while its primary (and only notable) potential weakness lies in the unknown status of its bundled library.

Key Concerns

  • Bundled library may be outdated
Vulnerabilities
1 published

Extend Link Security Vulnerabilities

CVEs by Year

1 CVE in 2026
2026
Patched Has unpatched

Severity Breakdown

Medium
1

1 total CVE

CVE-2026-25310medium · 6.4Server-Side Request Forgery (SSRF)

Extend Link <= 2.0.0 - Authenticated (Contributor+) Server-Side Request Forgery

Jan 21, 2026 Patched in 2.0.1 (104d)
Version History

Extend Link Release Timeline

v2.0.1Current
v2.0.01 CVE
Code Analysis
Analyzed Mar 16, 2026

Extend Link Code Analysis

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

Bundled Libraries

TinyMCE

Output Escaping

100% escaped1 total outputs
Attack Surface

Extend Link Attack Surface

Entry Points1
Unprotected0

AJAX Handlers 1

authwp_ajax_extend_link_plu_check_linkextend-link.php:62
WordPress Hooks 4
filterplugin_row_metaextend-link.php:58
actionadmin_enqueue_scriptsextend-link.php:59
filtermce_buttonsextend-link.php:60
filtermce_external_pluginsextend-link.php:61
Maintenance & Trust

Extend Link Maintenance & Trust

Maintenance Signals

WordPress version tested6.9.4
Last updatedFeb 2, 2026
PHP min version7.4
Downloads13K

Community Trust

Rating60/100
Number of ratings2
Active installs1K
Developer Profile

Extend Link Developer Profile

Alobaidi

24 plugins · 34K total installs

80
trust score
Avg Security Score
88/100
Avg Patch Time
69 days
View full developer profile
Detection Fingerprints

How We Detect Extend Link

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

Asset Fingerprints

Asset Paths
/wp-content/plugins/extend-link/css/tinymce-button-style.css/wp-content/plugins/extend-link/js/tinymce-button.js
Script Paths
/wp-content/plugins/extend-link/js/tinymce-button.js
Version Parameters
extend-link/css/tinymce-button-style.css?ver=2.0.1extend-link/js/tinymce-button.js?ver=2.0.1

HTML / DOM Fingerprints

JS Globals
extendLink
REST Endpoints
/wp-json/extend-link/v1/check-link-status
FAQ

Frequently Asked Questions about Extend Link