Description

HCL BigFix Mobile is vulnerable to Reflected Cross-Site Scripting (Reflected XSS) due to insufficient validation and output encoding of user-controlled input.

Executive Summary

Technical Details

Mitigations

References

Additional Metadata

{
  "score": "5.4",
  "pubDate": "2026-08-10T17:17:35.170Z",
  "pubdate": "2026-08-10T17:17:35.170Z",
  "executiveSummary": "HCL BigFix Mobile is affected by a Reflected Cross-Site Scripting (XSS) vulnerability stemming from insufficient validation and output encoding of user-controlled input.\nThis security flaw allows remote attackers to inject malicious scripts, typically JavaScript, into HTTP requests destined for the vulnerable application.\nWhen a victim interacts with a specially crafted URL or input mechanism, the malicious payload is reflected in the HTTP response and executed within the context of the victim's browser session.\nThe primary impact of this vulnerability includes potential session hijacking, unauthorized access to sensitive user data, cookie theft, and the manipulation of the Document Object Model (DOM) within the affected application interface.\nThe vulnerability targets HCL BigFix Mobile, posing significant risk implications to enterprise endpoint management environments if administrative or user sessions are compromised.\nExploitation generally requires user interaction, such as convincing a target to click a maliciously crafted link, and relies on the application's failure to properly sanitize and contextually encode dynamic input before rendering it back to the client.",
  "technicalDetails": "The vulnerability is classified as a Reflected Cross-Site Scripting (XSS) flaw residing within HCL BigFix Mobile.\nThe root cause of the issue is the application's failure to implement rigorous input validation and adequate output encoding mechanisms for user-supplied data accepted via HTTP parameters or input fields.\nWithout proper sanitization, the application dynamically incorporates untrusted input directly into the generated HTML response, allowing arbitrary script execution.\nThe attack flow commences when an attacker crafts a malicious URL containing a payload designed to exploit the missing output encoding within the vulnerable component of HCL BigFix Mobile.\nThe attacker then delivers this crafted URL to a victim via phishing vectors, social engineering, or external communication channels.\nUpon clicking the link, the victim's browser sends an HTTP request containing the malicious payload to the vulnerable HCL BigFix Mobile server.\nThe server processes the request and reflects the unsanitized input back to the browser within the HTTP response body.\nThe victim's web browser parses the response, interprets the injected payload as executable script code due to the lack of proper contextual encoding, and executes the script within the security context of the vulnerable application.\nBecause the script executes within the victim's active session, it inherits the permissions associated with that session, enabling the attacker to read session tokens, access local storage, exfiltrate sensitive data, or perform unauthorized actions on behalf of the user.\nThe vulnerability requires network exposure to reach the HCL BigFix Mobile interface and typically demands user interaction to successfully execute the attack payload."
}