CVE-2025-53397 in iView
Summary
by MITRE • 07/11/2025
A vulnerability exists in Advantech iView versions prior to 5.7.05 build 7057, which could allow a reflected cross-site scripting (XSS) attack. By exploiting this flaw, an attacker could execute unauthorized scripts in the user's browser, potentially leading to information disclosure or other malicious activities.
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Analysis
by VulDB Data Team • 08/01/2025
This vulnerability represents a critical reflected cross-site scripting flaw in Advantech iView software versions prior to 5.7.05 build 7057, categorized under CWE-79 which specifically addresses cross-site scripting vulnerabilities. The flaw manifests when the application fails to properly sanitize user input parameters before reflecting them back to the browser in HTTP responses. Attackers can craft malicious URLs containing script payloads that, when clicked by unsuspecting users, execute within the victim's browser context. This vulnerability directly violates the principle of input validation and output encoding that forms the cornerstone of web application security.
The technical implementation of this XSS vulnerability occurs at the application layer where user-supplied parameters are directly incorporated into HTML responses without adequate sanitization or encoding mechanisms. When an attacker constructs a malicious request with script code embedded in parameters such as URL query strings or form fields, the vulnerable iView application reflects this content back to the user's browser without proper HTML escaping or context-appropriate encoding. This creates an environment where JavaScript code can execute in the victim's browser session, potentially compromising the user's authentication context and session cookies.
The operational impact of this vulnerability extends beyond simple script execution to encompass significant security risks including session hijacking, credential theft, and data exfiltration. An attacker could leverage this vulnerability to steal user authentication tokens, capture sensitive information entered into web forms, or redirect users to malicious websites that appear legitimate. The reflected nature of the attack means that victims must be tricked into clicking malicious links, making this a social engineering vector that can be particularly effective when combined with phishing campaigns. This vulnerability represents a direct threat to the confidentiality and integrity of user data within the iView environment.
Mitigation strategies should focus on implementing comprehensive input validation and output encoding mechanisms across all user-facing application components. Organizations must immediately upgrade to Advantech iView version 5.7.05 build 7057 or later to receive the patched implementation that properly sanitizes user input before reflection. Additionally, implementing Content Security Policy headers, employing proper HTML escaping for dynamic content, and conducting regular security code reviews can provide defense-in-depth measures. The vulnerability aligns with ATT&CK technique T1566.001 which covers phishing with malicious attachments and links, making it particularly relevant for organizations that may be targeted through spear-phishing campaigns exploiting this specific XSS flaw. Network-level protections such as web application firewalls should also be deployed to detect and block malicious payloads attempting to exploit this vulnerability.