CVE-2022-2174 in microweber
Summary
by MITRE • 06/22/2022
Cross-site Scripting (XSS) - Reflected in GitHub repository microweber/microweber prior to 1.2.18.
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Analysis
by VulDB Data Team • 06/25/2022
Cross-site scripting vulnerabilities represent one of the most prevalent and dangerous web application security flaws, with reflected XSS attacks specifically targeting user input that gets immediately reflected back to the browser without proper sanitization. The vulnerability identified in the microweber/microweber repository affects versions prior to 1.2.18 and constitutes a classic reflected cross-site scripting issue that could enable attackers to execute malicious scripts in the context of a victim's browser session. This particular vulnerability falls under CWE-79 which specifically addresses improper neutralization of input during web page generation, making it a direct descendant of the fundamental web security principle that all user-supplied data must be treated as untrusted and properly escaped before being rendered in web responses. The attack vector likely involves an attacker crafting malicious input parameters that get reflected back through the application's response, potentially through URL parameters or form submissions, allowing the execution of arbitrary JavaScript code within the victim's browser context.
The operational impact of this reflected XSS vulnerability extends beyond simple data theft or session hijacking to encompass potential full system compromise when combined with other attack vectors. An attacker could leverage this vulnerability to steal cookies, session tokens, or sensitive user information, potentially leading to unauthorized access to administrative functions or user accounts. The reflected nature of the vulnerability means that the malicious payload must be crafted specifically for each victim, typically through social engineering tactics such as phishing emails or compromised links, making it particularly challenging to detect and prevent without proper input validation and output encoding mechanisms. This vulnerability aligns with ATT&CK technique T1566 which describes social engineering attacks that often utilize reflected XSS as a delivery mechanism for more sophisticated payloads.
Mitigation strategies for this reflected XSS vulnerability must address both the immediate code-level fixes and broader architectural security considerations. The primary solution involves implementing proper input sanitization and output encoding throughout the application's codebase, particularly in areas where user input is processed and subsequently displayed back to users. This includes ensuring that all parameters received through GET or POST requests are properly escaped before being rendered in HTML contexts, implementing Content Security Policy headers to limit script execution, and utilizing modern web frameworks that automatically handle XSS prevention mechanisms. Organizations should also implement comprehensive security testing including automated scanning tools and manual penetration testing to identify similar vulnerabilities across their entire application stack. The fix for this specific vulnerability would require updating to version 1.2.18 or later where proper input validation has been implemented to prevent malicious scripts from being executed in user browsers.