CVE-2026-46593 in PHP Poll Script
Summary
by MITRE • 07/31/2026
A SQL injection vulnerability has been identified in the PHP Jabbers - PHP Poll Script. Improper neutralization of input provided by user to pjAdminPolls.controller.php endpoint allows an authenticated attacker to perform SQL Injection attacks. This issue was fixed in version 4.1.
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Analysis
by VulDB Data Team • 07/31/2026
The SQL injection vulnerability in the PHP Jabbers - PHP Poll Script represents a critical security flaw that undermines the integrity of the application's database interactions. This vulnerability exists within the pjAdminPolls.controller.php endpoint where user input is inadequately sanitized before being incorporated into SQL queries. The flaw allows authenticated attackers to manipulate database operations through carefully crafted input parameters, potentially leading to unauthorized data access, modification, or deletion. According to CWE-89, this classification specifically addresses SQL injection vulnerabilities where insufficient input validation permits malicious SQL code execution. The issue demonstrates a fundamental breakdown in input sanitization practices that violates core security principles outlined in the OWASP Top Ten and NIST cybersecurity frameworks.
The technical implementation of this vulnerability stems from improper parameter handling within the application's controller logic. When legitimate users interact with the poll management functionality, their input data flows directly into database query construction without adequate escaping or parameterization. This creates an exploitable condition where an attacker can inject malicious SQL fragments that alter the intended query execution flow. The authentication requirement reduces the attack surface but does not eliminate the risk entirely, as compromised accounts or insider threats could still exploit this weakness. The vulnerability aligns with ATT&CK technique T1078 which covers valid accounts and credential manipulation, while also mapping to T1213 which addresses data from information repositories.
The operational impact of this vulnerability extends beyond simple data theft to encompass complete database compromise scenarios. An attacker could potentially extract sensitive user information, modify poll results, or even escalate privileges within the application's database layer. The authenticated nature of the attack means that the threat actor must first gain valid credentials, but once achieved, they can leverage this weakness to perform unauthorized administrative actions. This vulnerability directly impacts data confidentiality, integrity, and availability as defined by the CIA triad, potentially allowing for complete system subversion through database manipulation.
Mitigation strategies should focus on implementing proper input validation and parameterized queries throughout the application codebase. The most effective approach involves replacing direct string concatenation with prepared statements or parameterized queries that separate SQL logic from user data. Additionally, implementing proper access controls and monitoring for unusual database query patterns can help detect exploitation attempts. Regular security code reviews and automated static analysis tools should be deployed to identify similar vulnerabilities in other parts of the application. The fix implemented in version 4.1 demonstrates the importance of maintaining up-to-date software and following secure coding practices as outlined in ISO/IEC 27001 and NIST SP 800-53 security controls. Organizations should also implement network segmentation and database access controls to limit potential damage even if such vulnerabilities are present in other applications within their infrastructure.