CVE-2023-26781 in mccms
Summary
by MITRE • 04/28/2023
SQL injection vulnerability in mccms 2.6 allows remote attackers to run arbitrary SQL commands via Author Center ->Reader Comments ->Search.
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Analysis
by VulDB Data Team • 11/12/2025
The CVE-2023-26781 vulnerability represents a critical SQL injection flaw discovered in mccms 2.6 content management system that exposes remote attackers to arbitrary code execution capabilities. This vulnerability specifically manifests within the Author Center module, more precisely in the Reader Comments section where users can search through comment data. The flaw allows malicious actors to manipulate the search functionality to inject malicious SQL commands that bypass normal input validation mechanisms and directly interface with the underlying database layer.
This vulnerability falls under the CWE-89 category of SQL Injection, which is classified as a severe weakness in software applications that handle database queries. The attack vector exploits the lack of proper input sanitization and parameterized query implementation within the comment search functionality. When users submit search queries through the Reader Comments interface, the application fails to properly escape or validate user-supplied input before incorporating it into SQL command strings. This design flaw creates an opening for attackers to manipulate the database query execution flow through carefully crafted malicious inputs that can alter the intended query structure and execute unauthorized database operations.
The operational impact of this vulnerability extends beyond simple data theft or modification. Attackers can leverage this weakness to perform complete database enumeration, extract sensitive information including user credentials, personal data, and system configurations, or even escalate privileges within the database environment. The vulnerability affects the entire mccms 2.6 ecosystem since it operates at the database interaction layer where all user comments are processed. The remote nature of the attack means that threat actors do not require physical access to the system or local network presence to exploit this weakness, making it particularly dangerous for publicly accessible web applications.
Security professionals should consider this vulnerability in the context of the MITRE ATT&CK framework, specifically mapping it to the T1190 technique for exploitation of remote services and T1071.1003 for application layer protocol usage. The vulnerability demonstrates a classic example of poor input validation that allows attackers to manipulate application behavior through database interactions. Organizations using mccms 2.6 should prioritize immediate patching and implementation of input validation controls, including parameterized queries, stored procedures, and proper input sanitization. Additional mitigations include implementing web application firewalls, database activity monitoring, and restricting database user permissions to minimize potential damage from successful exploitation attempts. The vulnerability also highlights the importance of regular security assessments and code reviews to identify and remediate similar weaknesses in application code that could compromise database integrity and confidentiality.