Description

Unauthenticated SQL Injection in Woo Essential <= 4.3.0 versions.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "9.3",
  "pubDate": "2026-08-24T12:16:51.733Z",
  "pubdate": "2026-08-24T12:16:51.733Z",
  "executiveSummary": "An unauthenticated SQL Injection vulnerability has been identified in the Woo Essential plugin, affecting all versions up to and including 4.3.0. This security flaw allows remote, unauthenticated attackers to manipulate SQL queries executed against the underlying database, leading to unauthorized data access, data modification, or potential database compromise.\nThe vulnerability stems from improper neutralization of special elements used in an SQL command within the affected product. Because the flaw can be exploited without requiring authentication or specific user privileges, the risk implications are severe. Attackers can leverage this vector over the network to extract sensitive application data, including user credentials, configuration settings, and stored business data.\nThe exploitation requirements are minimal, as the lack of authentication mechanisms protecting the vulnerable endpoint enables automated exploitation scripts to target vulnerable installations directly. Immediate remediation is required to secure affected systems against potential exploitation.",
  "technicalDetails": "The vulnerability is classified as an SQL Injection (SQLi) flaw residing within the Woo Essential plugin for versions <= 4.3.0. The root cause of the vulnerability involves insecure handling of user-supplied input that is directly concatenated or insufficiently parameterized within database queries processed by the application's backend architecture.\nNetwork exposure is high, as the vulnerable component is accessible over HTTP/HTTPS to any remote attacker without requiring prior authentication or administrative privilege requirements. When a crafted HTTP request containing malicious SQL payloads is sent to the vulnerable endpoint, the input fails to undergo proper sanitization or context-aware escaping.\nThe attack flow proceeds as follows: First, the attacker identifies the exposed and vulnerable input parameter processed by the Woo Essential plugin. Second, the attacker crafts a specialized SQL injection payload designed to manipulate the logical structure of the executing database query (e.g., utilizing UNION-based, boolean-based, or error-based techniques). Third, the web application forwards the unsanitized input to the database management system (DBMS). Fourth, the DBMS executes the modified query, returning unintended result sets or executing unauthorized database commands based on the privileges associated with the database connection.\nPayload behavior typically involves extracting sensitive database records, bypassing application logic, or interacting with the underlying operating system depending on database configuration and privilege levels. Post-exploitation impact ranges from complete confidentiality breaches of stored data to potential integrity and availability loss of the database backend supporting the WordPress environment."
}