CVE-2026-1819 in ViPort
Summary
by MITRE • 02/04/2026
Improper Neutralization of Input During Web Page Generation (XSS or 'Cross-site Scripting') vulnerability in Karel Electronics Industry and Trade Inc. ViPort allows Stored XSS.
This issue affects ViPort: through 23012026.
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Analysis
by VulDB Data Team • 06/06/2026
The vulnerability identified as CVE-2026-1819 represents a critical security flaw in the ViPort application developed by Karel Electronics Industry and Trade Inc. This issue manifests as an improper neutralization of input during web page generation, specifically enabling stored cross-site scripting attacks that can persist across user sessions. The vulnerability affects all versions of ViPort through the specific build date of 23012026, indicating a widespread exposure across the product's deployment base.
This stored XSS vulnerability occurs when user-supplied input is inadequately sanitized or encoded before being rendered in web page content. Attackers can inject malicious scripts into the application's database through legitimate input fields, which then execute whenever other users view the affected content. The stored nature of this vulnerability means that the malicious payload persists server-side and affects multiple users without requiring repeated injection attempts. The flaw directly maps to CWE-79, which specifically addresses Cross-site Scripting vulnerabilities in web applications, and aligns with ATT&CK technique T1566.001 for initial access through malicious content.
The operational impact of this vulnerability extends beyond simple data theft or session hijacking. An attacker could potentially execute arbitrary code within the context of a victim's browser, enabling full compromise of user sessions, credential theft, and access to sensitive information. The stored nature of the vulnerability means that even users who do not actively interact with the malicious content can be affected, as the payload executes automatically when they view affected pages. This creates a particularly dangerous scenario where the attack vector can remain active for extended periods without detection.
Mitigation strategies for CVE-2026-1819 must focus on comprehensive input validation and output encoding mechanisms. Organizations should implement strict sanitization of all user inputs before storage and ensure proper HTML encoding of dynamic content before rendering. The application should employ Content Security Policy headers to limit script execution and utilize secure coding practices that prevent direct injection of user data into web page contexts. Additionally, regular security testing including automated scanning and manual penetration testing should be conducted to identify similar vulnerabilities. Patch management procedures must be established to ensure timely deployment of vendor-provided fixes, while network monitoring can help detect anomalous behavior associated with XSS exploitation attempts.