JetEngine <= 3.8.6.1 - Unauthenticated SQL Injection via '_cct_search' Parameter

7.5
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection')
CVE CVE-2026-4352
CVSS 7.5 (High)
Publicly Published April 13, 2026
Last Updated April 14, 2026
Researcher h0xilo

Description

The JetEngine plugin for WordPress is vulnerable to SQL Injection via the Custom Content Type (CCT) REST API search endpoint in all versions up to, and including, 3.8.6.1. This is due to the `_cct_search` parameter being interpolated directly into a SQL query string via `sprintf()` without sanitization or use of `$wpdb->prepare()`. WordPress REST API's `wp_unslash()` call on `$_GET` strips the `wp_magic_quotes()` protection, allowing single-quote-based injection. This makes it possible for unauthenticated attackers to append additional SQL queries into already existing queries that can be used to extract sensitive information from the database. The Custom Content Types module must be enabled with at least one CCT configured with a public REST GET endpoint for exploitation.

Learn more about SQL Injection vulnerabilities and how to prevent them.

References

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Vulnerability Details for JetEngine

Software Type Plugin
Software Slug jet-engine
Patched? Yes
Remediation Update to version 3.8.6.2, or a newer patched version
Affected Version
  • <= 3.8.6.1
Patched Version
  • 3.8.6.2

Recent vulnerabilities in JetEngine

# Title CVE ID CVSS Researchers Date
1 JetEngine <= 3.8.13.0 - Unauthenticated Stored Cross-Site Scripting CVE-2026-17019 7.2 Nguyễn Đức Hòa August 5, 2026
2 JetEngine <= 3.8.13.1 - Unauthenticated Stored Cross-Site Scripting CVE-2026-28082 7.2 dutafi August 3, 2026
3 JetEngine < 3.8.12 - Authenticated (Contributor+) Stored Cross-Site Scripting CVE-2026-14864 6.4 axbqd August 2, 2026
4 JetEngine <= 3.8.11 - Authenticated (Contributor+) Sever-Side Request Forgery CVE-2026-65467 6.4 Ananda Dhakal July 22, 2026
5 JetEngine <= 3.8.10.2 - Unauthenticated SQL Injection CVE-2026-56068 7.5 Rafie Muhammad June 25, 2026
6 JetEngine <= 3.8.10 - Unauthenticated Stored Cross-Site Scripting CVE-2026-54189 7.2 VanTastic June 16, 2026
7 JetEngine <= 3.8.10.1 - Unauthenticated SQL Injection via Listing Grid Load More AJAX Endpoint CVE-2026-12360 7.5 d.v4n_s3c June 16, 2026
8 JetEngine <= 3.8.10 - Unauthenticated Stored Cross-Site Scripting CVE-2026-54188 7.2 VanTastic June 16, 2026
9 JetEngine <= 3.8.10.1 - Unauthenticated SQL Injection CVE-2026-54187 7.5 VanTastic June 15, 2026
10 JetEngine <= 3.8.10 - Unauthenticated PHP Object Injection CVE-2026-52706 8.1 VanTastic June 12, 2026

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