CVE-2010-1112 in KloNews
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in cat.php in KloNews 2.0 allows remote attackers to inject arbitrary web script or HTML via the cat parameter.
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Analysis
by VulDB Data Team • 05/03/2026
The vulnerability identified as CVE-2010-1112 represents a classic cross-site scripting flaw within the KloNews 2.0 content management system, specifically affecting the cat.php script. This issue falls under the Common Weakness Enumeration category CWE-79 which defines improper neutralization of input during web page generation as a fundamental weakness in web application security. The vulnerability manifests when the application fails to properly sanitize user-supplied input passed through the cat parameter, creating an exploitable condition that enables malicious actors to inject arbitrary HTML or JavaScript code into web pages viewed by other users.
The technical exploitation of this vulnerability occurs when a remote attacker crafts a malicious URL containing crafted script code within the cat parameter of the cat.php endpoint. When the vulnerable application processes this input without adequate sanitization or output encoding, the injected payload becomes part of the web page content and executes in the context of other users' browsers. This allows attackers to perform various malicious activities including session hijacking, credential theft, defacement of web content, or redirection to malicious websites. The vulnerability's impact is particularly concerning as it affects the core functionality of the news categorization system, making it a prime target for exploitation in broader web application attacks.
The operational impact of this vulnerability extends beyond simple script injection, as it can be leveraged to create persistent security threats within the affected web environment. Attackers can use the XSS capability to steal session cookies, which would allow them to impersonate legitimate users and gain unauthorized access to administrative functions. The vulnerability also enables the execution of malicious scripts that can modify content, redirect users to phishing sites, or even install malware on victim machines. Given that this affects a news management system, the potential for reputational damage and data compromise is significant, particularly if the application handles sensitive information or user-generated content.
Mitigation strategies for CVE-2010-1112 should focus on implementing proper input validation and output encoding mechanisms. The most effective approach involves sanitizing all user-supplied input through proper parameter validation and ensuring that any data rendered in web pages undergoes appropriate HTML encoding before display. Organizations should implement a comprehensive input sanitization framework that filters out or escapes potentially dangerous characters and sequences that could be used in XSS attacks. Additionally, the application should employ Content Security Policy headers to add an additional layer of protection against script injection. The vulnerability also highlights the importance of regular security assessments and keeping web applications updated with the latest security patches, as this issue was likely addressed in subsequent versions of KloNews through proper input validation implementation. Organizations should also consider implementing web application firewalls and monitoring for suspicious input patterns that could indicate attempted exploitation of similar vulnerabilities.