CVE-2018-6862 in Bitcoin MLM Software
Summary
by MITRE
Cross Site Scripting (XSS) exists in PHP Scripts Mall Bitcoin MLM Software 1.0.2 via a profile field.
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Analysis
by VulDB Data Team • 03/14/2020
The vulnerability identified as CVE-2018-6862 represents a cross site scripting flaw within the PHP Scripts Mall Bitcoin MLM Software version 1.0.2, specifically manifesting through profile field inputs. This type of vulnerability falls under the broader category of insecure input handling and represents a critical security weakness that can be exploited by malicious actors to execute unauthorized scripts within the context of affected user browsers. The vulnerability stems from inadequate sanitization and validation of user-supplied data entered into profile fields, creating an attack surface where malicious payloads can be injected and subsequently executed when other users view the compromised profile information.
The technical implementation of this XSS vulnerability occurs when user input containing malicious script code is stored in the system's database without proper sanitization measures. When the compromised profile data is rendered on web pages, the embedded scripts execute within the browser context of unsuspecting users who visit these pages. This particular weakness allows attackers to inject malicious JavaScript code through profile fields, which then gets executed whenever other users browse the affected pages. The vulnerability's classification as a reflected XSS attack pattern aligns with CWE-79, which describes the improper neutralization of input during web page generation, making it particularly dangerous for web applications that rely heavily on user-generated content.
The operational impact of this vulnerability extends beyond simple data corruption or theft, as it enables attackers to perform session hijacking, deface web applications, redirect users to malicious sites, or even execute arbitrary code within the victim's browser context. In the context of an MLM software platform, this vulnerability poses significant risks to user privacy and system integrity, as it could allow attackers to access sensitive user information, manipulate user accounts, or compromise the entire platform's credibility. The attack vector is particularly concerning because it leverages legitimate profile fields that users expect to be safe for data entry, making the attack more difficult to detect and prevent.
Security practitioners should implement comprehensive input validation and output encoding mechanisms to prevent such vulnerabilities from being exploited. The recommended mitigations include implementing proper sanitization of all user inputs, utilizing Content Security Policy headers, and employing proper output encoding techniques when rendering user data in web pages. Organizations should also consider implementing web application firewalls and regular security testing to identify and remediate similar vulnerabilities. This vulnerability demonstrates the critical importance of following secure coding practices and adhering to OWASP Top Ten security guidelines, particularly those addressing input validation and output encoding. The attack pattern associated with this vulnerability aligns with ATT&CK technique T1059.007 for JavaScript execution, emphasizing the need for robust defenses against script injection attacks that can compromise entire web applications and user sessions.