CVE-2007-0840 in HLstats
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in HLstats before 1.35 allows remote attackers to inject arbitrary web script or HTML via unspecified vectors in the search class. NOTE: it is possible that this issue overlaps CVE-2006-4543.3 or CVE-2006-4454.
Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.
Analysis
by VulDB Data Team • 08/19/2018
The vulnerability identified as CVE-2007-0840 represents a cross-site scripting flaw within HLstats version 1.35 and earlier, classified under the CWE-79 category for Improper Neutralization of Input During Web Page Generation. This security weakness enables remote attackers to execute malicious scripts within the context of a user's browser session, potentially compromising the integrity and confidentiality of web applications. The vulnerability specifically resides within the search functionality of the HLstats application, which processes user input without adequate sanitization or validation mechanisms.
The technical implementation of this XSS vulnerability occurs through unspecified vectors within the search class functionality of HLstats, where user-supplied input is directly incorporated into dynamically generated web content without proper encoding or filtering. This allows attackers to inject malicious HTML or JavaScript code that executes in the victim's browser when the affected page is rendered. The vulnerability's impact extends beyond simple script execution as it can facilitate session hijacking, credential theft, and redirection to malicious websites, making it particularly dangerous for web applications that handle sensitive user data or administrative functions.
From an operational perspective, this vulnerability creates significant risks for systems utilizing HLstats for game statistics tracking and web-based reporting. The attack surface is broad as any user interaction with the search functionality could potentially be exploited, making it difficult to predict and prevent all attack vectors. The overlap with CVE-2006-4543 and CVE-2006-4454 suggests this may represent a broader class of vulnerabilities within the HLstats application, indicating potential systemic input validation weaknesses that could affect other components beyond the search functionality. The remote nature of the attack means that exploitation does not require local system access or privileged accounts, making it particularly attractive to threat actors.
The recommended mitigation strategies for this vulnerability include immediate upgrading to HLstats version 1.35 or later, which presumably contains the necessary patches to address the XSS concerns. Additionally, implementing proper input validation and output encoding mechanisms within the application code can provide defense-in-depth measures. Organizations should also consider implementing web application firewalls and content security policies to further protect against similar vulnerabilities. The ATT&CK framework categorizes this type of vulnerability under T1566 for Phishing and T1059 for Command and Scripting Interpreter, highlighting the potential for attackers to leverage such weaknesses for broader compromise activities. Regular security assessments and input validation reviews should be conducted to identify and remediate similar weaknesses in other web applications within the organization's infrastructure.