CVE-2008-3668 in Yogurt Social Network module
Summary
by MITRE
Multiple cross-site scripting (XSS) vulnerabilities in the Yogurt Social Network module 3.2 rc1 for XOOPS allow remote attackers to inject arbitrary web script or HTML via the uid parameter to (1) friends.php, (2) seutubo.php, (3) album.php, (4) scrapbook.php, (5) index.php, or (6) tribes.php; or (7) the description field of a new scrap.
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Analysis
by VulDB Data Team • 12/23/2025
The vulnerability identified as CVE-2008-3668 represents a critical cross-site scripting flaw within the Yogurt Social Network module version 3.2 rc1 for the XOOPS content management platform. This vulnerability stems from inadequate input validation and output encoding mechanisms that fail to properly sanitize user-supplied data before rendering it within web pages. The flaw specifically affects multiple script files including friends.php, seutubo.php, album.php, scrapbook.php, index.php, and tribes.php, as well as the description field in scrapbook functionality, creating multiple attack vectors for malicious actors to exploit.
The technical implementation of this vulnerability occurs when the application processes the uid parameter without proper sanitization or encoding of user input. This allows attackers to inject malicious JavaScript code or HTML content that gets executed in the context of other users' browsers when they view the affected pages. The vulnerability manifests as a classic reflected XSS attack where malicious payloads are embedded within the uid parameter and subsequently rendered to unsuspecting users. The impact is particularly severe as it affects core social networking functionality within the XOOPS platform, potentially compromising user sessions and enabling further attacks such as session hijacking or data exfiltration.
From an operational standpoint, this vulnerability poses significant risks to both end users and system administrators. Attackers can leverage this flaw to execute arbitrary code within users' browsers, potentially stealing session cookies, redirecting users to malicious sites, or defacing the social network pages. The attack surface is broad due to the multiple affected files, increasing the likelihood of successful exploitation. According to CWE classification, this vulnerability maps to CWE-79 which specifically addresses Cross-Site Scripting flaws, and aligns with ATT&CK technique T1566.001 for initial access through malicious web content. The exploitation requires minimal privileges and can be executed remotely, making it particularly dangerous for social networking platforms where users frequently interact with content from other users.
The mitigation strategy should focus on implementing comprehensive input validation and output encoding across all affected files. Developers must ensure that all user-supplied parameters, particularly the uid parameter, are properly sanitized and encoded before being rendered in web pages. This includes implementing proper HTML entity encoding for output, validating input formats, and implementing Content Security Policy headers to limit the execution of malicious scripts. Additionally, the XOOPS platform should be updated to a patched version of the Yogurt Social Network module, as the vulnerability was likely addressed in subsequent releases. Regular security audits and code reviews should be conducted to identify similar input validation weaknesses in other modules, and a comprehensive security awareness program should be implemented to educate developers about secure coding practices and the importance of input validation in preventing XSS attacks.