CVE-2007-2308 in FloweRS
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in cas.php in FloweRS 2.0 allows remote attackers to inject arbitrary web script or HTML via the rok parameter.
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Analysis
by VulDB Data Team • 08/31/2025
The vulnerability identified as CVE-2007-2308 represents a classic cross-site scripting flaw within the FloweRS 2.0 content management system. This issue specifically affects the cas.php script which processes user input through the rok parameter, creating an avenue for malicious actors to execute arbitrary web scripts or HTML code within the context of other users' browsers. The flaw demonstrates a critical weakness in input validation and output sanitization mechanisms that are fundamental to web application security.
This vulnerability falls under the Common Weakness Enumeration category CWE-79 which specifically addresses improper neutralization of input during web page generation, commonly known as cross-site scripting. The attack vector exploits the lack of proper input sanitization where the rok parameter in cas.php fails to adequately validate or escape user-supplied data before incorporating it into dynamically generated web content. The flaw allows attackers to inject malicious scripts that can execute in the victim's browser when they view the affected page, potentially leading to session hijacking, credential theft, or defacement of the compromised website.
The operational impact of this vulnerability extends beyond simple script injection as it creates persistent security risks for any organization utilizing FloweRS 2.0. Remote attackers can craft malicious URLs containing script payloads in the rok parameter that, when clicked by unsuspecting users, execute unauthorized actions within the target application's security context. This capability aligns with the attacker tactics described in the MITRE ATT&CK framework under the T1059.007 technique for command and scripting interpreter, where adversaries leverage web-based scripting to manipulate application behavior. The vulnerability particularly affects user sessions and can enable attackers to access sensitive information or perform unauthorized operations on behalf of legitimate users.
Mitigation strategies for CVE-2007-2308 should prioritize immediate input validation and output encoding measures. Organizations must implement proper parameter sanitization techniques that escape or filter all user-supplied input before processing, particularly for parameters used in dynamic content generation. The recommended approach involves applying context-specific output encoding based on the target execution context such as HTML, JavaScript, or URL contexts. Additionally, implementing a comprehensive web application firewall solution can provide additional protection layers. Security teams should also consider adopting secure coding practices that emphasize input validation, output encoding, and the principle of least privilege in application design. The vulnerability serves as a reminder of the critical importance of maintaining up-to-date security patches and conducting regular vulnerability assessments to identify and remediate similar weaknesses in web applications. Organizations should also implement proper access controls and monitoring to detect anomalous user behavior that might indicate exploitation attempts.