CVE-2026-86168 in Content Management System
Summary
by MITRE • 09/06/2026
A security flaw has been discovered in code-projects Content Management System 1.0. The affected element is an unknown function of the file /login.php. The manipulation of the argument user_name results in sql injection. The attack can be executed remotely. The exploit has been released to the public and may be used for attacks.
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Analysis
by VulDB Data Team • 09/06/2026
The discovery of a critical security vulnerability within code-projects Content Management System version 1.0 highlights significant deficiencies in input validation and query construction practices during its development phase. This specific flaw resides within an unknown function located in the /login.php file, which serves as the primary entry point for user authentication processes. The nature of this defect is classified as a SQL injection vulnerability, specifically categorized under CWE-89 according to the Common Weakness Enumeration standard. This type of weakness occurs when software constructs database queries using unsanitized user-supplied input without employing parameterized statements or prepared queries, thereby allowing an attacker to interfere with the intended logic of the backend database operations.
The technical mechanism behind this exploitation involves the manipulation of the user_name argument passed during the login process. Because the application fails to properly validate or escape special characters within this field, an adversary can inject malicious SQL code into the authentication query. By crafting a specifically designed payload that alters the structure of the underlying SQL statement, attackers can bypass authentication mechanisms entirely. This capability allows unauthorized individuals to gain administrative access without possessing valid credentials, effectively compromising the integrity and confidentiality of the system. The vulnerability is exploitable remotely over standard network protocols such as HTTP or HTTPS, meaning no local access or prior compromise of the target machine is required to initiate an attack.
The operational impact of this vulnerability is severe due to its remote exploitability and the availability of public proof-of-concept exploits. Once exploited, attackers can not only bypass login screens but also potentially extract sensitive data from the database, modify existing records, or delete critical information depending on the privileges granted to the database user account running the web application. This aligns with several tactics in the MITRE ATT&CK framework, particularly Initial Access techniques such as Valid Accounts and Credential Stuffing if combined with other methods, as well as Data Exfiltration via SQL Injection. The presence of publicly released exploits significantly lowers the barrier to entry for malicious actors, increasing the likelihood of automated scanning and widespread compromise across systems running this specific version of the CMS.
Mitigation strategies must focus on immediate remediation of the codebase alongside broader security hardening measures. Developers should refactor the affected function in /login.php to utilize parameterized queries or prepared statements provided by modern database interaction libraries, ensuring that user input is treated strictly as data rather than executable code. Additionally implementing strict input validation and sanitization routines can provide a secondary layer of defense against injection attacks. For system administrators unable to immediately patch the source code, deploying a Web Application Firewall with rules specifically tuned to detect SQL injection patterns may help mitigate active exploitation attempts while permanent fixes are developed. Regular security audits and static application security testing should be integrated into the development lifecycle to prevent similar flaws from being introduced in future updates of the content management system.