CVE-2026-28134 in JetEngine Plugin
Summary
by MITRE • 03/05/2026
Improper Control of Generation of Code ('Code Injection') vulnerability in Crocoblock JetEngine jet-engine allows Remote Code Inclusion.This issue affects JetEngine: from n/a through <= 3.7.2.
VulDB is the best source for vulnerability data and more expert information about this specific topic.
Analysis
by VulDB Data Team • 03/07/2026
The vulnerability identified as CVE-2026-28134 represents a critical code injection flaw within the Crocoblock JetEngine jet-engine plugin, specifically impacting versions through 3.7.2. This weakness falls under the broader category of improper control of code generation, which is classified as CWE-94 in the Common Weakness Enumeration system. The vulnerability enables remote attackers to execute arbitrary code on affected systems through a carefully crafted injection payload that exploits insufficient input validation and sanitization mechanisms within the plugin's code generation processes.
The technical implementation of this vulnerability stems from inadequate filtering of user-supplied input that is subsequently used in code generation contexts. Attackers can manipulate parameters that are directly incorporated into dynamically generated code segments, bypassing normal security controls and executing malicious commands on the target server. This flaw particularly affects the jet-engine component of the Crocoblock JetEngine plugin suite, which is commonly used for creating custom post types, taxonomies, and other dynamic content structures within wordpress environments.
From an operational perspective, this vulnerability poses severe risks to affected organizations as it allows for complete system compromise through remote code execution. Attackers can leverage this weakness to install backdoors, exfiltrate sensitive data, modify website content, or establish persistent access to the compromised systems. The impact extends beyond individual website compromises to potentially affect entire hosting environments where multiple sites may be running vulnerable versions of the plugin. This vulnerability aligns with ATT&CK technique T1059.007 for executed code injection and T1505.003 for server-side include attacks, demonstrating how the flaw can be exploited through multiple attack vectors.
The attack surface is particularly concerning given the widespread adoption of JetEngine plugins in wordpress environments. Organizations running vulnerable versions face significant exposure as the attack requires minimal privileges and can be executed through standard web application interfaces. The vulnerability's remote nature means that attackers do not need physical access to the system or local network privileges to exploit the flaw, making it particularly dangerous in shared hosting environments or managed wordpress deployments. Security teams should prioritize immediate remediation efforts, including patching to versions beyond 3.7.2, implementing web application firewalls, and monitoring for suspicious code execution patterns. Additionally, organizations should conduct comprehensive vulnerability assessments to identify other potential code injection vulnerabilities in their wordpress installations and related plugins.