CVE-2010-4331 in Seopanel
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Seo Panel 2.2.0 allow remote attackers to inject arbitrary web script or HTML via the (1) default_news or (2) sponsors cookies, which are not properly handled by (a) controllers/index.ctrl.php or (b) controllers/settings.ctrl.php.
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Analysis
by VulDB Data Team • 11/16/2025
The vulnerability identified as CVE-2010-4331 represents a critical cross-site scripting flaw within Seo Panel version 2.2.0, a web-based SEO management tool designed for digital marketing professionals. This vulnerability stems from inadequate input validation and sanitization mechanisms within the application's cookie handling processes, specifically affecting the default_news and sponsors cookies that are utilized for user session management and preference storage. The flaw exists in the core controller files controllers/index.ctrl.php and controllers/settings.ctrl.php, which fail to properly sanitize user-supplied data before processing or rendering it within web responses.
The technical implementation of this vulnerability allows remote attackers to execute malicious scripts within the context of a victim's browser session by manipulating the affected cookies. When the application processes these cookies without proper sanitization, attacker-controlled content becomes embedded within the application's output, creating persistent XSS vectors that can be exploited across different user sessions. The vulnerability specifically affects the cookie-based authentication and preference mechanisms, making it particularly dangerous as it can potentially allow attackers to hijack user sessions or escalate privileges within the application's administrative interface.
From an operational perspective, this vulnerability poses significant risks to organizations utilizing Seo Panel for their SEO management activities, as it can enable attackers to execute arbitrary web scripts and HTML content within user browsers. The impact extends beyond simple script execution to include potential session hijacking, credential theft, and data exfiltration from authenticated user sessions. Attackers could leverage this vulnerability to gain unauthorized access to sensitive SEO data, manipulate search engine rankings, or conduct further attacks against the organization's digital marketing infrastructure. The persistent nature of cookie-based XSS vulnerabilities means that successful exploitation can affect multiple users over extended periods, making it particularly dangerous for web applications handling sensitive business information.
Security mitigations for this vulnerability should focus on implementing comprehensive input validation and output encoding mechanisms throughout the application's cookie handling processes. The recommended approach includes sanitizing all cookie values before processing them within the controllers, implementing proper HTML entity encoding for any user-supplied content rendered in web responses, and establishing a robust content security policy to prevent unauthorized script execution. Organizations should also consider implementing cookie flags such as HttpOnly and Secure to reduce the attack surface, while regular security audits and code reviews should be conducted to identify similar vulnerabilities in other application components. This vulnerability aligns with CWE-79, which specifically addresses cross-site scripting flaws, and represents a typical example of how insecure cookie handling can create persistent security weaknesses that align with ATT&CK technique T1059.001 for command and scripting interpreter usage and T1566 for credential access through social engineering vectors that could exploit such vulnerabilities.