CVE-2008-6325 in Classifieds Script
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in Softbiz Classifieds Script allow remote attackers to inject arbitrary web script or HTML via the (1) radio parameter to showcategory.php, (2) msg parameter to advertisers/signinform.php, (3) radio parameter to gallery.php, (4) msg parameter to lostpassword.php, (5) radio parameter to showcategory.php, (6) msg parameter to admin/adminhome.php, and (7) msg parameter to admin/index.php. NOTE: a different signinform.php file is already covered by CVE-2008-6306.
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Analysis
by VulDB Data Team • 10/20/2025
The vulnerability described in CVE-2008-6325 represents a critical cross-site scripting flaw affecting the Softbiz Classifieds Script version 1.0. This vulnerability manifests across multiple entry points within the application's web interface, creating widespread potential for malicious code injection attacks. The affected parameters include radio and msg fields across several PHP scripts including showcategory.php, signinform.php, gallery.php, lostpassword.php, and various administrative interfaces. These vulnerabilities fall under CWE-79 which specifically addresses cross-site scripting attacks where untrusted data is improperly incorporated into web pages without proper validation or sanitization. The attack surface extends to both frontend user interfaces and backend administrative panels, making this a particularly dangerous vulnerability for organizations relying on the classifieds platform.
The technical exploitation of these vulnerabilities occurs when remote attackers submit malicious input through the identified parameters without proper input validation. The radio parameter in showcategory.php and gallery.php allows attackers to inject script code that gets executed in the context of other users' browsers when they view the affected pages. Similarly, the msg parameter in signinform.php, lostpassword.php, and various admin interfaces enables the injection of malicious scripts that can execute in the browser context of legitimate users. This occurs because the application fails to properly sanitize or escape user-supplied input before incorporating it into dynamically generated web content, creating a direct pathway for attackers to execute arbitrary JavaScript code. The vulnerability demonstrates a classic failure in output encoding and input validation practices that violates fundamental web security principles.
The operational impact of these vulnerabilities is significant and multifaceted. Attackers can exploit these XSS flaws to steal session cookies, redirect users to malicious websites, deface the classifieds platform, or perform actions on behalf of authenticated users. The presence of these vulnerabilities in both user-facing and administrative interfaces means that successful exploitation could lead to complete compromise of the platform. An attacker could potentially gain administrative access through the admin interfaces, or more commonly, use the vulnerabilities to establish persistent malicious presence on the site that could affect all users. The attack vectors align with ATT&CK technique T1566 which covers spearphishing with malicious attachments or links, and T1059 which involves command and scripting interpreter. The vulnerabilities also map to ATT&CK tactic TA0001 (Initial Access) and TA0002 (Execution) as they provide pathways for attackers to initially gain access and then execute malicious code within the user's browser context.
Mitigation strategies for this vulnerability require immediate implementation of comprehensive input validation and output encoding measures throughout the affected application. The primary defense mechanism involves implementing strict sanitization of all user-supplied input, particularly the radio and msg parameters identified in the vulnerability. This includes implementing proper HTML escaping and encoding of output before rendering user data in web pages. Organizations should implement Content Security Policy (CSP) headers to limit script execution and prevent unauthorized code injection. The application should also employ proper input validation routines that reject or sanitize potentially malicious content before processing. Additionally, regular security code reviews and automated vulnerability scanning should be implemented to identify similar issues in other parts of the application. The remediation process should follow industry standards such as OWASP Top 10 and NIST Cybersecurity Framework guidelines, with particular emphasis on input validation and output encoding as recommended in CWE-79 mitigation strategies. Administrative interfaces should be protected with additional authentication measures and access controls to limit the potential impact if other parts of the application are compromised.