CVE-2026-92465 in Mega Menu Plugin
Summary
by MITRE • 09/16/2026
Improper Neutralization of Special Elements used in an SQL Command ('SQL Injection') vulnerability in Themeum WP Mega Menu allows Blind SQL Injection.
This issue affects WP Mega Menu: from n/a through 1.4.2.
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Analysis
by VulDB Data Team • 09/16/2026
The identified security flaw represents a classic instance of improper neutralization of special elements within SQL commands, commonly categorized under the CWE-89 vulnerability class known as SQL Injection. This specific weakness manifests in the Themeum WP Mega Menu plugin for WordPress, affecting versions ranging from n/a through 1.4.2. The core technical issue stems from the application's failure to properly sanitize or validate user-supplied input before incorporating it into backend database queries. In a typical web architecture utilizing SQL databases, inputs such as form fields, URL parameters, or cookie values are often passed directly into query strings without adequate escaping mechanisms. When an attacker crafts malicious payloads containing SQL syntax, these commands can be executed by the underlying database engine with the privileges of the application user account.
In this particular case, the vulnerability allows for Blind SQL Injection attacks. Unlike error-based injection where the database returns explicit errors that reveal information about the schema or data structure, blind injection relies on observing subtle differences in the application's response to determine if a payload was successful. The attacker may induce time delays using functions like SLEEP() or BENCHMARK(), causing the server to respond slower when certain conditions are met, thereby confirming the presence of the vulnerability and allowing for the extraction of data bit by bit. Alternatively, boolean-based blind injection involves sending queries that evaluate to true or false, with the application's behavior changing based on the result, such as displaying different content or redirecting to a specific page depending on whether the injected condition holds true.
The operational impact of this vulnerability is severe and potentially catastrophic for organizations relying on WordPress sites running the affected plugin versions. Since SQL injection grants an attacker direct access to the database backend, they can read sensitive information stored in the database tables. This includes user credentials, personal identifiable information (PII) such as email addresses and phone numbers, session tokens, and any other data managed by the application. Furthermore, depending on the privileges of the database account used by the web application, an attacker might be able to modify or delete existing records, potentially defacing websites or corrupting business-critical data. In more advanced scenarios involving specific database configurations like MySQL's file read capabilities, attackers could potentially access files on the server hosting the database, leading to full system compromise if combined with other vulnerabilities.
From a threat intelligence perspective, this vulnerability aligns with MITRE ATT&CK techniques related to SQL Injection for Data Exfiltration and Defense Evasion. Attackers often use blind injection methods specifically because they are less noisy than error-based attacks, making them harder to detect by standard intrusion detection systems that look for obvious database errors in logs. The lack of immediate feedback makes this a stealthy vector for long-term data theft or persistent access establishment within the target environment.
Mitigation strategies must be implemented immediately to address this risk. The most effective and permanent solution is to upgrade the WP Mega Menu plugin to version 1.4.3 or later, where the developers have presumably patched the input validation logic. For organizations unable to update immediately due to compatibility concerns with other plugins or custom code modifications, several compensating controls can be employed. Web Application Firewalls (WAFs) should be configured with rulesets specifically tuned to detect and block SQL injection patterns in HTTP requests targeting the affected endpoints. Additionally, developers reviewing any custom code interacting with this plugin's hooks or filters must ensure that all database interactions utilize prepared statements with parameterized queries rather than string concatenation for building SQL commands. This approach ensures that user input is treated strictly as data and never as executable code by the database engine. Regular security audits and penetration testing should also be conducted to verify that no other similar vulnerabilities exist within the broader application ecosystem, ensuring a holistic defense posture against injection-based attacks.