CVE-2026-19447 in FileOrbis
Summary
by MITRE • 08/18/2026
Improper neutralization of input during web page generation ('cross-site scripting') vulnerability in Fileorbis Informatics Services Trade Inc. FileOrbis allows Stored XSS.
This issue affects FileOrbis: before 16.5.
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Analysis
by VulDB Data Team • 08/18/2026
The identified security flaw represents a classic instance of improper neutralization of input during web page generation, commonly known as cross-site scripting or XSS. Specifically, this vulnerability manifests as a stored cross-site scripting attack within the FileOrbis software suite developed by Fileorbis Informatics Services Trade Inc. This type of vulnerability occurs when an application accepts user-supplied data and subsequently includes that data in dynamically generated content without performing adequate validation or encoding checks. In the context of web applications, this failure allows malicious actors to inject client-side scripts into pages viewed by other users, turning a trusted website into a vehicle for delivering harmful code to its visitors.
The technical nature of this flaw lies in how FileOrbis processes and renders user input prior version 16.5. When users submit data through various interfaces within the application, such as file comments, directory descriptions, or shared folder notes, the system fails to properly sanitize special characters that have semantic meaning in HTML and JavaScript contexts. Instead of escaping these characters to ensure they are treated strictly as text content, the software interprets them as executable code when the affected page is rendered by a victim's web browser. This lack of output encoding allows an attacker who has write access to any part of the system where this input is displayed to embed malicious script payloads directly into the stored data.
The operational impact of this vulnerability is significant due to its persistent nature. Unlike reflected XSS, which requires tricking a user into clicking a specially crafted link, stored XSS persists on the server side. Once an attacker injects their payload, it remains in the database or file system until manually removed by an administrator. Consequently, every subsequent user who accesses the compromised page will have the malicious script executed within their browser session under the context of the FileOrbis application. This persistence amplifies the risk profile considerably, as a single injection point can affect numerous users over an extended period without further interaction from the attacker.
From a threat intelligence perspective, this vulnerability aligns with CWE-79, which defines Improper Neutralization of Input During Web Page Generation. The attack vector is categorized under ATT&CK technique T1059, specifically Command and Scripting Interpretation via JavaScript execution in web browsers. Furthermore, the persistence mechanism falls under ATT&CK tactic TA0003 Persistence, as the malicious code remains active on the server side. Attackers can leverage this capability to perform session hijacking by stealing authentication cookies or tokens transmitted with requests made by victims. They may also conduct keylogging to capture sensitive credentials entered into forms within the application, redirect users to phishing sites designed to mimic legitimate FileOrbis pages, or deface the user interface for reputational damage and disruption of service.
Mitigation strategies must focus on both immediate remediation and long-term defensive coding practices. The primary solution is to upgrade the FileOrbis installation to version 16.5 or later, where this input validation logic has been corrected by the vendor. For environments where an immediate patch cannot be applied due to operational constraints, administrators should implement a web application firewall rule set designed to detect and block common XSS payloads in HTTP request parameters associated with file metadata and shared folder attributes. Additionally, developers must adhere to strict output encoding standards, ensuring that all user-supplied data is encoded according to the context in which it will be rendered, whether HTML body, attribute value, or JavaScript string. Input validation should also be enforced at both client and server levels to reject any input containing suspicious characters such as angle brackets, quotes, or script tags before they reach storage mechanisms.