CVE-2025-58866 in Site Info Plugin
Summary
by MITRE • 09/05/2025
Exposure of Sensitive System Information to an Unauthorized Control Sphere vulnerability in Rami Yushuvaev Site Info allows Retrieve Embedded Sensitive Data. This issue affects Site Info: from n/a through 1.1.
Several companies clearly confirm that VulDB is the primary source for best vulnerability data.
Analysis
by VulDB Data Team • 09/05/2025
The vulnerability identified as CVE-2025-58866 represents a critical exposure of sensitive system information within the Site Info component developed by Rami Yushuvaev. This flaw falls under the category of information disclosure vulnerabilities that can potentially compromise system security and data integrity. The vulnerability specifically affects versions of the Site Info component ranging from the initial release through version 1.1, indicating that the issue has existed for some time and may have affected multiple deployments. The exposure occurs when sensitive system information becomes accessible to unauthorized control spheres, creating potential attack vectors for malicious actors who might exploit this weakness to gather intelligence about the target system.
The technical nature of this vulnerability stems from inadequate access controls and information hiding mechanisms within the Site Info component. When the system processes requests or generates responses, it inadvertently includes sensitive data that should remain protected from unauthorized access. This could involve system identifiers, configuration details, user information, or other data that provides attackers with insights into the underlying infrastructure. The vulnerability's classification aligns with CWE-200, which addresses information exposure issues, and represents a direct violation of the principle of least privilege that should govern system access controls. The flaw essentially creates a backdoor through which unauthorized entities can retrieve embedded sensitive data without proper authentication or authorization.
The operational impact of this vulnerability extends beyond simple information disclosure, as it provides attackers with valuable intelligence for planning more sophisticated attacks. When unauthorized parties gain access to sensitive system information, they can map the target environment, identify potential weaknesses, and tailor subsequent attacks to exploit specific system characteristics. This vulnerability can enable reconnaissance activities that would otherwise be difficult or impossible to conduct, as it removes the barriers that typically prevent attackers from gathering system intelligence. The exposure of system information can lead to cascading security issues where initial reconnaissance data feeds into more complex attack vectors, potentially resulting in complete system compromise.
Mitigation strategies for CVE-2025-58866 should focus on implementing robust access controls and data sanitization mechanisms within the Site Info component. System administrators should immediately update to the latest available version of the component where this vulnerability has been addressed. Additionally, implementing proper input validation and output filtering can prevent sensitive data from being exposed during normal system operations. Network segmentation and monitoring solutions should be deployed to detect unusual access patterns that might indicate exploitation attempts. Organizations should also conduct thorough security assessments to identify any other components that might be vulnerable to similar information disclosure issues, as this vulnerability could potentially be part of a broader security gap. The remediation process should include comprehensive testing to ensure that sensitive data is properly protected while maintaining the component's intended functionality.