CVE-2024-49670 in Client Power Tools Portal Plugin
Summary
by MITRE • 10/29/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Sam Glover Client Power Tools Portal client-power-tools allows Reflected XSS.This issue affects Client Power Tools Portal: from n/a through <= 1.9.0.
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Analysis
by VulDB Data Team • 04/07/2026
The vulnerability identified as CVE-2024-49670 represents a critical cross-site scripting weakness within the Sam Glover Client Power Tools Portal application, specifically impacting versions through 1.9.0. This reflected XSS vulnerability occurs during the web page generation process when input parameters are not properly sanitized or escaped before being rendered in the user interface. The flaw allows malicious actors to inject malicious scripts into web pages viewed by other users, creating a persistent threat vector that can compromise user sessions and data integrity. The vulnerability stems from inadequate input validation mechanisms that fail to neutralize potentially harmful user-supplied data, enabling attackers to execute arbitrary JavaScript code within the context of the victim's browser.
The technical exploitation of this vulnerability follows standard reflected XSS attack patterns where an attacker crafts malicious URLs containing script payloads that are then reflected back to users who click on the links. This type of attack typically involves embedding malicious JavaScript code within URL parameters or form fields that are subsequently processed and displayed without proper sanitization. The vulnerability directly maps to CWE-79 which defines the improper neutralization of input during web page generation as a fundamental weakness in web application security. The attack surface is particularly concerning given that the vulnerability exists in the client-facing portal where users may unknowingly interact with maliciously crafted URLs or form submissions that trigger the reflected script execution.
Operational impact of this vulnerability extends beyond simple script injection, as it can enable session hijacking, credential theft, and data exfiltration from authenticated users. Attackers can leverage this vulnerability to steal session cookies, manipulate user interface elements, redirect users to malicious sites, or perform actions on behalf of authenticated users. The reflected nature of this XSS means that the attack requires user interaction through malicious links, but once triggered, the consequences can be severe for both individual users and the organization maintaining the portal. This vulnerability particularly affects user trust and data security within the client power tools environment, potentially compromising sensitive business information and operational workflows that depend on the portal's functionality. The vulnerability's presence in versions through 1.9.0 indicates a prolonged exposure window that could have allowed multiple attack vectors to be exploited.
Mitigation strategies for CVE-2024-49670 should prioritize immediate implementation of input validation and output encoding mechanisms throughout the application's web page generation pipeline. The most effective remediation involves implementing strict input sanitization that removes or encodes potentially dangerous characters before processing user-supplied data, combined with proper output encoding that ensures all dynamic content is rendered safely within the browser context. Organizations should deploy comprehensive web application firewalls and implement Content Security Policy headers to add additional layers of protection against script injection attacks. The solution aligns with ATT&CK technique T1059.001 which covers the use of scripting languages for exploitation, and the remediation approach should follow the principle of least privilege by ensuring that user inputs are validated and escaped at multiple points in the application's data flow. Regular security assessments and penetration testing should be conducted to identify similar vulnerabilities in other components of the portal infrastructure. The affected version range suggests that organizations should prioritize upgrading to the latest available version of the Client Power Tools Portal to receive the patched implementation that properly addresses the input neutralization issues.