Description

Improper Control of Generation of Code ('Code Injection') vulnerability in Theme-one The Grid the-grid allows Command Injection.This issue affects The Grid: from n/a through 2.8.1.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "10.0",
  "pubDate": "2026-10-16T07:17:14.297Z",
  "pubdate": "2026-10-16T07:17:14.297Z",
  "executiveSummary": "The vulnerability identified in the WordPress plugin 'The Grid' (versions n/a through 2.8.1) is categorized as an Improper Control of Generation of Code (CWE-94), commonly referred to as Code Injection, which further facilitates Command Injection.\nThis security flaw resides within the plugin's architectural handling of input parameters, allowing an unauthenticated or authenticated attacker to bypass intended security controls and execute arbitrary system-level commands on the host server.\nThe primary risk implication is a total compromise of the web server's integrity and confidentiality. By injecting malicious code or system commands, an attacker can gain remote code execution (RCE) capabilities, enabling them to exfiltrate sensitive database contents, modify application files, or utilize the compromised server as a pivot point for lateral movement within the hosting environment.\nThe exploitation of this vulnerability does not inherently require complex privileges, depending on the specific endpoint exposure, but necessitates the ability of an attacker to reach the vulnerable code execution path via crafted HTTP requests.\nThe severity of this issue is critical, as it bypasses application-level security, potentially granting the attacker the same operational permissions as the web server service account (e.g., www-data or apache).",
  "technicalDetails": "The vulnerability manifests as a failure in the plugin's internal input validation and sanitization mechanisms. Specifically, the component responsible for processing user-supplied data fails to distinguish between safe string input and executable code structures before passing such input to sensitive PHP functions known for dynamic evaluation, such as eval(), system(), exec(), or related shell-execution primitives.\nThe root cause is the inclusion of unvalidated, user-controllable input into dynamic code execution sink points. When the application processes these requests, the attacker-supplied payload is interpreted by the server-side interpreter, resulting in the direct execution of arbitrary system commands.\nExploitation flow typically begins with the identification of a specific vulnerable parameter within an HTTP POST or GET request directed at a 'The Grid' plugin endpoint. The attacker crafts a malicious payload that terminates the intended command sequence and appends a secondary command (e.g., using command chaining operators like ';' or '|'). Upon submission, the plugin fails to strip or sanitize these characters, passing the concatenated command string to the server's OS shell.\nBecause the execution occurs within the context of the WordPress environment, the payload inherits the permissions of the web server process. Post-exploitation, an attacker can leverage this primitive to download additional payloads, such as web shells, or conduct enumeration of the underlying filesystem to discover configuration files containing database credentials or API keys. The impact is significant, as it effectively renders the application firewall and standard WordPress access controls ineffective.\nAffected versions include all iterations from the initial release up to and including 2.8.1. There is no evidence that the plugin implemented sufficient block-listing or input-type enforcement to prevent the injection of shell meta-characters. The vulnerability remains persistent across various server configurations unless explicit environmental constraints are placed on the PHP process execution capabilities."
}