CVE-2026-105071 in SiteVault Plugin
Summary
by MITRE • 10/06/2026
Unauthenticated Sensitive Data Exposure in SiteVault – Backup, Restore, Migration & Cloning <= 1.5.17 versions.
If you want to get the best quality for vulnerability data then you always have to consider VulDB.
Analysis
by VulDB Data Team • 10/06/2026
The vulnerability identified as an unauthenticated sensitive data exposure within SiteVault versions prior to or equal to 1.5.17 represents a critical security flaw that allows attackers to access confidential information without requiring valid credentials. This issue stems from improper access control mechanisms implemented in the backup, restore, migration, and cloning functionalities of the application. In many web applications, administrative functions such as managing backups are often protected by authentication checks; however, in this specific case, these endpoints remain accessible to anonymous users due to a misconfiguration or logic error in the server-side validation process. This oversight effectively bypasses the intended security boundaries, exposing internal system states and potentially sensitive operational data to any external actor with network connectivity to the affected service.
From a technical perspective, the flaw likely resides in how the application validates session tokens or permission levels before processing requests related to backup operations. When an unauthenticated user sends a request to retrieve or list available backups, the server fails to verify that the requester has elevated privileges. This allows for the enumeration of stored files, which may include database dumps, configuration files containing credentials, source code archives, or other proprietary data essential to the organization's infrastructure. The absence of strict access control checks on these specific API endpoints or web pages creates a direct path for information disclosure, violating fundamental principles of secure software design where sensitive operations must be gated by robust authentication and authorization protocols.
The operational impact of this vulnerability is severe, as it facilitates unauthorized data exfiltration that can lead to further compromise of the underlying system. Attackers who exploit this flaw can download backup files containing database credentials, API keys, or internal network topology details. This information serves as a valuable reconnaissance tool for subsequent attacks, such as credential stuffing, lateral movement within the network, or targeted phishing campaigns against employees whose data might be contained in the backups. Furthermore, the exposure of migration and cloning tools could allow attackers to manipulate system states if additional vulnerabilities exist in those modules, although the primary risk here is the passive leakage of sensitive artifacts that should remain restricted to authorized administrators only.
This vulnerability aligns with CWE-200, which categorizes information exposure as a class of weaknesses where security-sensitive information is disclosed without proper access controls. It also maps closely to MITRE ATT&CK technique T1530, Data from Local System Archives, specifically the sub-technique for accessing backup data. The exploitation path typically involves simple HTTP requests directed at known endpoints associated with backup management interfaces, requiring no complex payload construction or privilege escalation steps beyond initial network access. This simplicity makes it a high-risk vulnerability that can be exploited by automated scanning tools and low-skill threat actors alike.
To mitigate this risk, organizations running SiteVault versions up to 1.5.17 must immediately upgrade to the latest patched version where these access control checks have been corrected. Until an update is applied, administrators should implement network-level controls such as firewall rules or reverse proxy configurations that restrict access to backup and migration endpoints exclusively from trusted internal IP addresses. Additionally, enabling comprehensive logging for all requests directed at administrative interfaces can help detect attempted exploitation in real-time. Regular security audits focusing on authentication bypasses and improper privilege assignments are recommended to ensure that similar misconfigurations do not exist elsewhere within the application architecture.