CVE-2013-7002 in LiveZilla
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in mobile/php/translation/index.php in LiveZilla before 5.1.1.0 allows remote attackers to inject arbitrary web script or HTML via the g_language parameter.
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Analysis
by VulDB Data Team • 01/18/2022
The vulnerability identified as CVE-2013-7002 represents a classic cross-site scripting flaw affecting the LiveZilla customer service platform version 5.1.0.0 and earlier. This issue resides within the mobile php translation component at the path mobile/php/translation/index.php, where the application fails to properly sanitize user input before incorporating it into dynamic web content. The specific parameter g_language serves as the attack vector, allowing malicious actors to inject arbitrary web scripts or HTML code that executes in the context of other users' browsers. This vulnerability classifies under CWE-79 which defines the weakness of cross-site scripting, specifically the scenario where untrusted data is directly embedded into web pages without proper validation or encoding mechanisms.
The technical exploitation of this vulnerability occurs when remote attackers craft malicious payloads targeting the g_language parameter, which is typically used to determine the language interface for mobile web applications. When the vulnerable application processes this parameter without adequate sanitization, the injected code becomes part of the dynamic page content and executes in the browsers of unsuspecting users who visit the affected pages. The impact extends beyond simple script execution to potentially enable session hijacking, credential theft, or redirection to malicious websites. This vulnerability demonstrates a critical failure in input validation and output encoding practices that violates fundamental web security principles.
Operational consequences of this vulnerability are significant for organizations utilizing LiveZilla systems, as it creates persistent risks for user data integrity and system security. The remote nature of the attack means that threat actors can exploit this vulnerability without requiring physical access or local network presence, making it particularly dangerous for web-facing applications. Users accessing the mobile translation interface become potential victims of persistent XSS attacks, where malicious scripts can persistently compromise their browser sessions. The vulnerability also represents a breach of the principle of least privilege, as it allows attackers to execute arbitrary code within the context of legitimate user sessions, potentially leading to full system compromise if combined with other vulnerabilities.
Organizations should implement immediate mitigations including applying the vendor-provided patch for LiveZilla version 5.1.1.0 or later, which addresses this specific XSS vulnerability through proper input validation and output encoding. Additionally, implementing comprehensive input sanitization mechanisms, including proper HTML encoding of all user-supplied data before rendering in web pages, would prevent similar issues. Network-based security controls such as web application firewalls should be configured to detect and block suspicious parameter values targeting the g_language parameter. Regular security assessments and code reviews focusing on input validation practices should be conducted to identify and remediate similar vulnerabilities. The ATT&CK framework categorizes this vulnerability under T1059.007 for scripting languages and T1566.001 for spearphishing attachments, indicating that exploitation typically involves crafting malicious payloads that leverage web-based attack vectors to compromise user sessions and potentially escalate privileges through session manipulation techniques.