Opendatasoft Docs Content-Security-Policy Bypass Scanner

Opendatasoft Docs is an online documentation platform provided by Opendatasoft for its various API services and offerings. It is typically utilized by developers and organizations requiring up-to-date information on how to integrate and use Opendatasoft’s services in their applications. The documentation includes data sets, resources for developers, and instructions on API usages, making it an indispensable tool for development projects involving Opendatasoft. Due to its role in providing API guidance, it is essential that Opendatasoft Docs maintains a secure environment, preventing any unauthorized actions or access. The platform facilitates the exploration and integration of various open data initiatives, promoting transparency and usability of data. Such extensive documentation platforms are often targeted for vulnerabilities that can bypass security policies, necessitating strong security measures.

The vulnerability identified in Opendatasoft Docs relates to a potential Cross-Site Scripting (XSS) attack facilitated through a bypass in the Content-Security-Policy (CSP). This vulnerability can allow malicious scripts to be injected, executed in the context of a user's browser session. Cross-Site Scripting attacks can compromise user interactions with the web application and lead to unauthorized access to user data. The presence of XSS vulnerabilities in web applications can also escalate to more severe security issues, including session hijacking and deployment of malware. Thus, the detection and remediation of this vulnerability are critical to maintaining the integrity and security of any web application integrating Opendatasoft Docs. It is vital to prioritize the identification and correction of bypass opportunities in CSP settings to ensure robust security.

Technically, the CSP bypass vulnerability occurs when specific scripts can be injected and executed despite existing security policies intended to block such actions. This occurs through the use of JSONP callbacks, which are exploited using unvalidated endpoints within the service. In Opendatasoft Docs, this is evident in the ability to inject script tags through user inputs without proper validation or sanitation. These scripts, once injected, can utilize API callbacks meant for legitimate purposes in ways that circumvent established CSP rules. The vulnerable parts of the application often involve unsanitized query strings or headers where the improper handling of script execution permissions allows the XSS attack. Therefore, thorough validation of data inputs and improved integrity checks against security policies are needed to close these CSP loopholes.

If this CSP bypass is successfully exploited, malicious actors could perform actions such as script injection and unauthorized command execution within the web application context. Potential effects include unauthorized data access, theft of user credentials, and manipulation of web page content, impacting application integrity. It may also result in users being redirected to malicious sites or the loading of malicious resources, compromising their browser environments. Additionally, this could undermine trust in the Opendatasoft platform, affecting its credibility and safety perception among users and developers. The impact of unmitigated XSS attacks can extend to brand reputation damage and potential legal liabilities if users’ personal data becomes compromised.

REFERENCES

• https://github.com/renniepak/CSPBypass/blob/main/data.tsv