CVE-2025-48348 in Site Offline or Coming Soon or Maintenance Mode Plugin
Summary
by MITRE • 08/28/2025
Incorrect Privilege Assignment vulnerability in chandrashekharsahu Site Offline allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Site Offline: from n/a through 1.5.7.
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Analysis
by VulDB Data Team • 05/25/2026
The incorrect privilege assignment vulnerability in chandrashekharsahu Site Offline represents a critical access control flaw that enables unauthorized users to escalate their privileges within the application. This vulnerability stems from improperly configured security levels that fail to enforce proper authorization checks, allowing attackers to bypass intended access restrictions and gain elevated privileges. The issue affects all versions from the initial release through 1.5.7, indicating a persistent flaw in the application's privilege management system that has remained unaddressed across multiple iterations.
This technical flaw manifests as a failure in the application's privilege validation mechanisms, where the system does not adequately verify user permissions before granting access to restricted functions or data. The vulnerability operates at the application level, specifically targeting the authentication and authorization components that should enforce security boundaries between different user roles. According to CWE classification, this maps to CWE-250: "Execute Code with Unnecessary Privileges" and CWE-276: "Incorrect Default Permissions," both of which describe scenarios where systems fail to properly enforce access controls. The flaw essentially allows an attacker to manipulate the application's privilege assignment logic, potentially enabling them to perform actions beyond their intended user role.
The operational impact of this vulnerability extends beyond simple privilege escalation, as it can lead to complete system compromise when combined with other exploitation techniques. An attacker exploiting this vulnerability could potentially access sensitive administrative functions, modify critical system configurations, or gain access to confidential data that should be restricted to authorized personnel only. The vulnerability's persistence across multiple versions suggests that the underlying architectural flaw has not been properly addressed, creating a long-standing security risk that could be leveraged by attackers to establish persistent access to the system. This type of vulnerability aligns with ATT&CK technique T1078: "Valid Accounts" and T1484: "Group Policy Modification," as it essentially allows attackers to assume higher-privilege roles within the application.
Mitigation strategies should focus on implementing proper access control validation throughout the application's codebase, ensuring that all privilege checks are enforced before granting access to restricted functionality. Security patches should address the root cause by strengthening the application's authorization mechanisms and implementing proper role-based access controls. Organizations should also conduct comprehensive security assessments to identify any additional privilege-related flaws within the application. The fix should include mandatory permission verification for all user actions, proper session management, and implementation of principle of least privilege concepts. Additionally, regular security testing including penetration testing and code reviews should be conducted to identify and remediate similar access control vulnerabilities before they can be exploited by malicious actors.