CVE-2026-8098 in Feedback System
Summary
by MITRE • 05/08/2026
A security vulnerability has been detected in code-projects Feedback System 1.0. Impacted is an unknown function of the file /admin/checklogin.php. Such manipulation of the argument email leads to sql injection. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used.
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Analysis
by VulDB Data Team • 05/14/2026
The security vulnerability identified in code-projects Feedback System 1.0 represents a critical sql injection flaw that undermines the application's database security mechanisms. This vulnerability specifically affects the /admin/checklogin.php file where an unknown function processes user input without proper sanitization or validation. The flaw allows attackers to manipulate the email argument parameter, which then gets directly incorporated into sql queries without adequate protection against malicious input. Such a vulnerability creates a pathway for unauthorized database access and data manipulation, as the application fails to implement proper input filtering or parameterized query construction.
The technical exploitation of this sql injection vulnerability enables remote attackers to execute arbitrary sql commands against the backend database through the compromised authentication mechanism. When an attacker supplies malicious input through the email parameter, the application processes this input directly within sql query structures, allowing for command injection attacks that can extract sensitive information, modify database records, or even gain administrative privileges. This vulnerability aligns with CWE-89 which specifically addresses sql injection flaws where untrusted data is incorporated into sql queries without proper sanitization. The remote exploitability aspect means that attackers do not require physical access to the system or local network presence to carry out these attacks, making the vulnerability particularly dangerous in publicly accessible web applications.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete system compromise and potential data breaches. Attackers can leverage this weakness to perform unauthorized database queries, potentially accessing sensitive user information, administrative credentials, or other confidential data stored within the feedback system. The disclosure of this exploit increases the risk profile significantly as it provides malicious actors with a ready-made attack vector that can be implemented without extensive technical knowledge. This vulnerability directly maps to attack techniques described in the mitre att&ck framework under the database persistence and credential access tactics, where adversaries can establish long-term access to database systems through sql injection attacks.
Mitigation strategies should focus on implementing proper input validation and parameterized query construction throughout the application codebase. The immediate solution involves sanitizing all user inputs, particularly those used in database queries, and implementing prepared statements or parameterized queries to prevent sql injection attacks. Additionally, the application should employ proper authentication mechanisms with input length restrictions and character set validation for email parameters. Regular security assessments and code reviews should be conducted to identify similar vulnerabilities in other application components. Organizations should also implement web application firewalls and database activity monitoring to detect and prevent exploitation attempts. The vulnerability highlights the critical importance of following secure coding practices and adhering to industry standards such as owasp top ten and iso 27001 security requirements for protecting web applications from sql injection attacks.