The Ultimate Member – User Profile, Registration, Login, Member Directory, Content Restriction & Membership Plugin plugin for WordPress is vulnerable to information exposure. This vulnerability allows unauthenticated attackers to exfiltrate data from the wp_usermeta table through different error messages in the responses. The severity of this vulnerability is classified as medium, with a CVSS score of 5.3, indicating that it requires immediate attention from security teams.
Given the potential for unauthorized access to sensitive user information, organizations utilizing this plugin must prioritize remediation efforts. With the increasing number of threats targeting WordPress plugins, addressing this vulnerability is crucial to prevent data breaches and protect user privacy.
As of the latest update, there is no known exploit for this vulnerability, and it is not included in the Known Exploited Vulnerabilities (KEV) catalog. However, the risk to organizations includes possible data exfiltration, which could have severe implications for user trust and compliance with data protection regulations.
Organizations should address this vulnerability in their priority patch cycle to ensure the security of their WordPress installations and protect against potential attacks.
Vulnerability Details
The Ultimate Member plugin for WordPress has been found to have a vulnerability that allows information exposure. Specifically, this affects all versions up to and including 2.9.1. This vulnerability, categorized under CWE-200, means that attackers can gain access to sensitive information without authentication. The CVE was published on January 18, 2025, and has been analyzed by security experts.
The CVSS score for this vulnerability is 5.3, indicating a medium severity level. The attack vector is network-based, and the attack complexity is low, meaning that an attacker could exploit this vulnerability without any special conditions. No privileges are required, and user interaction is not necessary, further heightening the risk of exploitation.
Technical Analysis
The root cause of this vulnerability lies in the plugin's handling of error messages, which inadvertently disclose information. Attackers can leverage this flaw by sending crafted requests to the plugin, triggering error responses that leak sensitive data from the wp_usermeta table.
The attack vector is network-based, allowing attackers to exploit the vulnerability remotely. The attack complexity is low, as no special conditions are required to execute an attack. Additionally, no privileges are needed, and user interaction is not required, making it easier for attackers to exploit this vulnerability.
The vulnerability impacts confidentiality, with a low impact on integrity and availability. This means that while sensitive information may be exposed, it does not directly compromise the integrity of the system or affect its availability.
Risk & Impact Analysis
The real-world deployment risk associated with this vulnerability is significant, primarily due to the potential for unauthorized data access. Given that many organizations use the Ultimate Member plugin to manage user profiles and sensitive information, the impact of this vulnerability could extend to multiple users and systems.
The urgency assessment, based on the CVSS score, indicates that organizations should address this vulnerability in their patch cycle. As attackers continuously seek to exploit known vulnerabilities, timely remediation is essential to mitigate potential risks.
The blast radius potential is notable, as unauthorized access to user data can have cascading effects, including reputational damage and regulatory implications. Organizations must understand the importance of securing their WordPress installations against vulnerabilities like CVE-2025-0318.
Exploitation Status
Signal | Status |
|---|---|
Known Exploit | No |
Public PoC | No |
Actively Exploited | No |
Ransomware Use | No |
Affected Versions
The affected versions of the Ultimate Member plugin are all versions prior to 2.9.2. Organizations using this plugin should ensure they upgrade to the latest version to mitigate the risks associated with this vulnerability.
Mitigation & Remediation
Organizations should prioritize patching immediately. The latest version of the Ultimate Member plugin should be installed to address this vulnerability. In the absence of a patch, organizations should consider implementing workarounds such as restricting access to sensitive endpoints and monitoring for unusual activity.
Additionally, organizations can benefit from conducting an application security assessment to identify potential vulnerabilities in their WordPress installations.
Detection Guidance
Organizations should monitor for indicators of compromise related to unauthorized access attempts to the wp_usermeta table. Log entries should be examined for unusual error messages or repeated requests that may indicate probing for this vulnerability.
AppSecure Threat Intelligence Insight
The long-term significance of this vulnerability underscores the need for organizations to maintain robust security practices around their WordPress installations. As vulnerabilities like CVE-2025-0318 become more common, security teams must adapt and strengthen their defenses.
This vulnerability highlights the importance of regular updates and thorough security assessments. Organizations should consider implementing a comprehensive vulnerability management program to proactively identify and mitigate risks.
Organizations should also stay informed about emerging threats and vulnerabilities by following industry trends and leveraging threat intelligence. For further insights on securing WordPress installations, consider exploring our penetration testing methodology to enhance your security posture.
Disclaimer: This content was generated using AI. While we strive for accuracy, please verify critical information with official sources.
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