CVE-2019-7552 in Investment MLM Software
Summary
by MITRE
An issue was discovered in PHP Scripts Mall Investment MLM Software 2.0.2. Stored XSS was found in the the My Profile Section. This is due to lack of sanitization in the Edit Name section.
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Analysis
by VulDB Data Team • 09/28/2023
The vulnerability identified in PHP Scripts Mall Investment MLM Software version 2.0.2 represents a critical stored cross-site scripting flaw that exposes users to significant security risks. This weakness exists within the My Profile section of the application, specifically in the Edit Name functionality where user input is not properly sanitized before being stored and subsequently rendered back to users. The vulnerability allows attackers to inject malicious scripts that persist in the application's database and execute whenever affected users view the profile information.
The technical implementation of this flaw stems from inadequate input validation and output encoding practices within the application's data handling pipeline. When users modify their profile names through the Edit Name section, the software fails to properly sanitize the input data, permitting potentially harmful script content to be stored in the backend database. This stored data is then retrieved and displayed without proper HTML encoding or script filtering, creating an ideal environment for cross-site scripting attacks. The vulnerability operates under CWE-79 which specifically addresses cross-site scripting flaws, and aligns with ATT&CK technique T1531 which focuses on credential access through malicious input handling.
The operational impact of this stored XSS vulnerability extends beyond simple script execution, as it can enable attackers to steal user sessions, access sensitive profile information, and potentially escalate privileges within the application. Attackers can craft malicious payloads that exploit the vulnerable field to execute scripts in the context of other users' browsers, potentially leading to unauthorized access to personal data, financial information, or administrative functions. The persistent nature of stored XSS means that the malicious code remains active until manually removed from the database, providing attackers with sustained access to victim systems and data.
Mitigation strategies for this vulnerability should focus on implementing comprehensive input sanitization and output encoding mechanisms throughout the application's data flow. The most effective approach involves validating and sanitizing all user input through proper escaping techniques before storage, combined with appropriate HTML encoding when displaying user-generated content. Additionally, implementing Content Security Policy headers can provide an additional layer of protection against script execution. Organizations should also consider regular security assessments and input validation testing to identify similar vulnerabilities in other application components. The remediation process should include thorough code review of all user input handling mechanisms and implementation of proper parameterized queries or input validation libraries to prevent future occurrences of this class of vulnerability.