CVE-2023-7153 in Macro-Bel
Summary
by MITRE • 01/18/2024
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability in Macroturk Software and Internet Technologies Macro-Bel allows Reflected XSS.
This issue affects Macro-Bel: before V.1.0.1.
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Analysis
by VulDB Data Team • 05/20/2026
The vulnerability identified as CVE-2023-7153 represents a critical cross-site scripting flaw within the Macro-Bel web application developed by Macroturk Software and Internet Technologies. This reflected cross-site scripting vulnerability occurs during the web page generation process when input data is not properly sanitized or neutralized before being incorporated into web responses. The flaw specifically manifests in the application's handling of user-supplied parameters that are reflected back to the browser without adequate validation or encoding mechanisms, creating an environment where malicious scripts can be executed within the context of authenticated users' sessions.
The technical implementation of this vulnerability stems from the application's failure to properly escape or encode user input before rendering it in web pages. When a malicious user crafts a specially formatted request containing script payloads, these inputs are processed by the web application and subsequently reflected back to the victim's browser in the HTTP response. This reflection occurs without proper sanitization, allowing the browser to interpret and execute the malicious script code as part of the normal page content. The vulnerability is classified under CWE-79 as "Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')", which is a fundamental weakness in web application security that has been consistently ranked among the top ten web application security risks by OWASP.
The operational impact of this vulnerability extends beyond simple data theft or defacement, as it can enable attackers to perform session hijacking, credential theft, and privilege escalation within the affected application. An attacker could craft malicious URLs that, when clicked by an authenticated user, would execute scripts that steal session cookies, redirect users to malicious sites, or modify application behavior. The reflected nature of this vulnerability means that the attack vector is typically delivered through phishing emails or malicious links that users are tricked into clicking. The vulnerability affects all versions of Macro-Bel prior to V.1.0.1, indicating that the developers had not yet implemented proper input validation and output encoding mechanisms to prevent such attacks.
Security professionals should note that this vulnerability aligns with ATT&CK technique T1566.001 for "Phishing: Spearphishing Attachment" and T1059.001 for "Command and Scripting Interpreter: Visual Basic", as it enables attackers to deliver malicious payloads through web-based vectors. The remediation approach for this vulnerability requires immediate implementation of proper input validation, output encoding, and Content Security Policy headers. Organizations should ensure that all user-supplied data is properly escaped before being rendered in web responses, implement strict input validation routines, and deploy web application firewalls to detect and prevent such attacks. The fix should include updating the Macro-Bel application to version 1.0.1 or later, which presumably contains the necessary patches to neutralize user input properly during web page generation processes.