CVE-2025-51510 is a medium-severity SQL injection vulnerability identified in the MoonShine platform, specifically affecting the 'Blog -> Categories' page when using the moonshine-tree-resource component versions prior to 2.0.2. SQL injection (CWE-89) vulnerabilities occur when untrusted input is improperly sanitized and directly incorporated into SQL queries, allowing attackers to manipulate database queries. In this case, the vulnerability allows an authenticated user with high privileges (as indicated by the CVSS vector requiring PR:H) to inject malicious SQL code via the categories page. The CVSS vector (CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:N) indicates that the attack can be performed remotely over the network without user interaction, requires high privileges, and results in a high impact on confidentiality, but no impact on integrity or availability. This means an attacker could potentially extract sensitive data from the database without altering or disrupting the system. No known exploits are currently in the wild, and no official patches are linked yet, though upgrading to version 2.0.2 or later of the moonshine-tree-resource component is implied as the remediation path. The vulnerability was published on August 19, 2025, with the reservation date on June 16, 2025.

For European organizations using the MoonShine platform with the vulnerable moonshine-tree-resource component, this vulnerability poses a significant risk to the confidentiality of sensitive data stored in the backend database. Since the vulnerability allows high-privilege authenticated users to extract data remotely without user interaction, insider threats or compromised privileged accounts could lead to data breaches involving personal data, intellectual property, or other confidential information. This is particularly critical under the GDPR framework, where unauthorized data disclosure can result in severe regulatory penalties. The lack of impact on integrity and availability reduces the risk of data tampering or service disruption but does not mitigate the risk of data leakage. Organizations in sectors such as finance, healthcare, government, and critical infrastructure that rely on MoonShine for content management or blogging features may be targeted for data exfiltration. The absence of known exploits in the wild provides a window for proactive mitigation before active exploitation occurs.

European organizations should immediately audit their use of the MoonShine platform to determine if the moonshine-tree-resource component version is below 2.0.2. If so, upgrading to version 2.0.2 or later should be prioritized once available. In the interim, restrict access to the Blog -> Categories page to only the minimum necessary high-privilege users and monitor logs for unusual query patterns indicative of SQL injection attempts. Implement Web Application Firewall (WAF) rules specifically targeting SQL injection patterns on the affected endpoints. Conduct thorough input validation and parameterized query enforcement in custom integrations or extensions related to the categories page. Additionally, review and tighten database user permissions to limit data exposure in case of exploitation. Regularly monitor threat intelligence feeds for any emerging exploits related to CVE-2025-51510 and apply patches promptly when released.