CVE-2026-6793 in Q-smart NexT Poll Plugin
Summary
by MITRE • 07/20/2026
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Bifra Engineering Consulting Ltd. Q-smart NexT Poll allows Stored XSS.
This issue affects Q-smart NexT Poll: before 1.8.7.
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Analysis
by VulDB Data Team • 07/20/2026
Cross site scripting vulnerabilities represent one of the most prevalent and dangerous web application security flaws, particularly when they enable stored attack vectors that persist across user sessions. The vulnerability in question affects Bifra Engineering Consulting Ltd.'s Q-smart NexT Poll software, specifically targeting versions prior to 1.8.7 where input validation mechanisms fail to properly sanitize user-supplied data during web page generation processes. This weakness creates an environment where malicious actors can inject malicious scripts that execute in the context of other users' browsers, fundamentally compromising the application's security posture and user data integrity.
The technical flaw manifests when the application fails to adequately neutralize or escape user input before incorporating it into dynamically generated web content. In this case, the stored XSS vulnerability allows attackers to submit malicious payloads through the poll creation or management interfaces, which are then persisted in the application's database. When other users view the affected poll pages, their browsers execute the injected scripts within their own browser context, potentially enabling session hijacking, credential theft, or redirection to malicious sites. The vulnerability specifically falls under CWE-79 which defines improper neutralization of input during web page generation as a critical weakness in web application security.
The operational impact of this stored XSS vulnerability extends beyond simple data corruption, creating significant risks for organizations relying on the Q-smart NexT Poll system. Attackers can leverage this weakness to steal session cookies, modify poll results, manipulate user interfaces, or even redirect victims to phishing sites that appear legitimate within the application context. The persistence of stored XSS attacks means that once exploited, malicious scripts continue to execute for all users who view affected content until the vulnerability is patched and the malicious data is removed from the system. This characteristic makes the vulnerability particularly dangerous in environments where multiple users regularly access the same poll data or where administrative functions are compromised.
Organizations utilizing this software must prioritize immediate remediation efforts, including upgrading to version 1.8.7 or later where the XSS protection mechanisms have been properly implemented. Additional mitigation strategies should encompass comprehensive input validation and output encoding practices, implementing Content Security Policy headers to restrict script execution, and conducting regular security testing of web applications to identify similar vulnerabilities. The ATT&CK framework categorizes this vulnerability under T1566 which covers Phishing techniques, as attackers can use stored XSS to create convincing phishing attacks that appear legitimate within the application interface. Organizations should also implement proper security monitoring to detect unusual data submission patterns that might indicate exploitation attempts, and maintain regular security awareness training for administrators who manage poll content to recognize potential social engineering components of XSS attacks.