CVE-2026-34417
MediumCVSS 6.1Exploitation Probability (EPSS)
Low risk18th percentile - higher than 18% of all known CVEs
Summary
OSCAL-GUI contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in a victim's browser. This can be exploited by injecting malicious content through the project request parameter in oscal-forms.php.
Risk Assessment
This vulnerability poses a risk of session hijacking and data theft, which can lead to serious security implications for the organization.
Recommendation
It is recommended to sanitize the project_id parameter value before use and properly encode error messages to prevent the injection of malicious code.
Original NVD description (English source)
OSCAL-GUI contains a reflected cross-site scripting vulnerability that allows unauthenticated attackers to execute arbitrary JavaScript in a victim's browser by injecting malicious content through the project request parameter in oscal-forms.php. The parameter value is URL-decoded and assigned to the project_id variable without sanitization in oscal-functions.php, and when the supplied project ID is not found, the unsanitized value is concatenated into an error message via the Messages() function and reflected into the HTML response body without encoding.