CVE-2025-57985 in Ultimate Watermark Plugin
Summary
by MITRE • 09/22/2025
Missing Authorization vulnerability in MantraBrain Ultimate Watermark allows Exploiting Incorrectly Configured Access Control Security Levels. This issue affects Ultimate Watermark: from n/a through 1.1.
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Analysis
by VulDB Data Team • 09/22/2025
The vulnerability identified as CVE-2025-57985 represents a critical missing authorization flaw within the MantraBrain Ultimate Watermark plugin, specifically impacting versions ranging from an unspecified initial state through version 1.1. This security weakness resides in the plugin's access control configuration, where proper authorization checks have been omitted or incorrectly implemented, allowing unauthorized users to exploit the system's security boundaries. The vulnerability stems from inadequate validation of user permissions and roles, creating a pathway for malicious actors to bypass intended security controls and gain access to restricted functionality.
This missing authorization issue fundamentally undermines the plugin's ability to enforce proper access control policies, creating a scenario where unauthorized individuals can manipulate the watermarking system without proper authentication or authorization. The flaw manifests as an incorrectly configured access control security level that fails to properly verify user credentials or roles before granting access to sensitive operations. From a technical perspective, this vulnerability aligns with CWE-862 which specifically addresses "Missing Authorization" conditions where the system fails to verify that an operation is authorized for the current user. The improper configuration of security levels creates an environment where privilege escalation or unauthorized access to administrative functions becomes possible.
The operational impact of this vulnerability extends beyond simple unauthorized access, as it can enable attackers to manipulate watermarking configurations, potentially leading to data integrity compromises or unauthorized modifications of protected content. Attackers could exploit this weakness to alter watermark parameters, disable protection mechanisms, or gain access to administrative interfaces that should be restricted to authorized personnel only. The vulnerability's scope is particularly concerning given that it affects a watermarking plugin, which typically handles sensitive media content and may be used in environments where content protection is critical. This flaw could be leveraged to bypass content protection mechanisms, potentially resulting in intellectual property theft or unauthorized distribution of protected materials.
Mitigation strategies for CVE-2025-57985 should prioritize immediate implementation of proper authorization controls and access validation mechanisms within the plugin. System administrators should ensure that all user interactions with the watermarking functionality are properly authenticated and authorized through robust role-based access control systems. The recommended approach includes implementing comprehensive authorization checks at every point where user actions interact with protected resources, ensuring that each operation verifies appropriate user permissions before execution. Additionally, the plugin should be updated to version 1.2 or later if available, as this would likely contain the necessary security patches addressing the missing authorization controls. Security monitoring should be enhanced to detect unauthorized access attempts or configuration changes that might indicate exploitation of this vulnerability. Organizations should also conduct thorough access control reviews to identify and remediate similar issues across their software ecosystem, as this vulnerability type frequently appears in applications where access control mechanisms are inadequately implemented or configured.
The attack surface for this vulnerability aligns with ATT&CK technique T1078 which covers "Valid Accounts" and T1548 which addresses "Abuse Elevation Control Mechanisms." This classification indicates that attackers can leverage the missing authorization to maintain persistent access or escalate privileges within the affected system. The vulnerability's characteristics also suggest potential integration with other attack vectors, particularly those involving privilege escalation or lateral movement within compromised environments where the watermarking plugin is deployed. Organizations should implement network segmentation and monitoring to detect anomalous behavior that might indicate exploitation attempts, as this type of access control failure often manifests as unauthorized configuration changes or access to restricted administrative interfaces.