CVE-2022-23903 in pear-admin-think
Summary
by MITRE • 03/29/2022
A Cross Site Scripting (XSS) vulnerability exists in pearadmin pear-admin-think
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Analysis
by VulDB Data Team • 04/01/2022
The CVE-2022-23903 vulnerability represents a critical cross site scripting flaw within the pearadmin pear-admin-think web application framework. This vulnerability arises from insufficient input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before rendering it within web pages. The affected application processes user inputs through various endpoints without adequate sanitization, creating an environment where malicious actors can inject malicious scripts into web pages viewed by other users.
The technical exploitation of this XSS vulnerability occurs when an attacker crafts malicious input containing script payloads that are subsequently executed in the victim's browser context. This flaw falls under CWE-79 which specifically addresses cross site scripting vulnerabilities where web applications fail to properly validate or encode user input before incorporating it into dynamic web content. The vulnerability exists at the application layer where user-supplied parameters are directly reflected in HTML output without appropriate security measures such as HTML entity encoding or content security policy enforcement.
Operational impact of this vulnerability extends beyond simple script execution as it can enable attackers to hijack user sessions, steal sensitive information, perform unauthorized actions on behalf of victims, and potentially escalate privileges within the application. The attack surface is particularly concerning given that pear-admin-think is a web administration framework that likely handles sensitive administrative functions and user data. An attacker could leverage this vulnerability to access administrative panels, modify application configurations, or extract confidential information from authenticated sessions, making this a severe security risk for any organization utilizing this framework.
Mitigation strategies for CVE-2022-23903 should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application. Organizations should ensure all user inputs are properly sanitized using established encoding libraries and implement content security policies to prevent unauthorized script execution. The fix typically involves updating the pear-admin-think framework to version 2.0.8 or later where the vulnerability has been addressed through proper input validation and output encoding measures. Additionally, implementing proper security headers including Content-Security-Policy and HttpOnly flags for session cookies can provide additional defense in depth. Organizations should also conduct regular security assessments and penetration testing to identify similar vulnerabilities in their web applications, following ATT&CK framework techniques for web application exploitation and remediation strategies.