CVE-2007-2423 in MoinMoin
Summary
by MITRE
Cross-site scripting (XSS) vulnerability in index.php in MoinMoin 1.5.7 allows remote attackers to inject arbitrary web script or HTML via the do parameter in an AttachFile action, a different vulnerability than CVE-2007-0857. NOTE: the provenance of this information is unknown; the details are obtained solely from third party information.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 10/17/2025
The vulnerability identified as CVE-2007-2423 represents a cross-site scripting flaw within the MoinMoin wiki software version 1.5.7, specifically affecting the index.php file during AttachFile action operations. This security weakness enables remote attackers to execute malicious web scripts or HTML code within the context of affected web applications, potentially compromising user sessions and data integrity. The vulnerability manifests through the improper handling of the do parameter, which is utilized in the AttachFile action functionality of the wiki platform.
This XSS vulnerability operates by allowing malicious input to be processed and rendered without adequate sanitization or encoding mechanisms. When users interact with the AttachFile action and provide malicious content through the do parameter, the application fails to properly validate or escape the input before displaying it to other users. The flaw specifically targets the index.php script's handling of attachment-related operations, making it distinct from other similar vulnerabilities such as CVE-2007-0857 which affects different code paths within the same software ecosystem. The attack vector requires minimal privileges as the vulnerability can be exploited remotely without authentication.
The operational impact of this vulnerability extends beyond simple script injection, as it can enable attackers to perform various malicious activities including session hijacking, credential theft, data exfiltration, and redirection to malicious websites. Users who view affected wiki pages may inadvertently execute malicious scripts that can steal cookies, modify page content, or redirect browser navigation. The vulnerability affects the confidentiality, integrity, and availability of the wiki system, particularly when the affected MoinMoin installation hosts sensitive information or serves users who may be targeted by such attacks. According to CWE classification, this vulnerability maps to CWE-79 which specifically addresses improper neutralization of input during web output, making it a classic example of client-side code injection.
Mitigation strategies for CVE-2007-2423 should focus on input validation and output encoding practices that align with established security frameworks and industry standards. Organizations should implement proper parameter sanitization techniques, including HTML entity encoding of all user-supplied input before rendering it in web pages. The recommended approach involves applying context-specific encoding based on the output context where data is displayed, following the principle of least privilege for file attachment operations, and implementing Content Security Policy headers to prevent unauthorized script execution. Security measures should also include regular updates to the MoinMoin software to ensure all known vulnerabilities are patched, as this particular version (1.5.7) is outdated and likely contains additional unpatched security weaknesses. According to ATT&CK framework, this vulnerability would be categorized under T1566.001 for initial access through malicious attachments, and potentially T1059.007 for command and control through script injection techniques, making it a significant concern for organizations maintaining wiki-based documentation systems.