CVE-2025-8772 in NukeViet
Summary
by MITRE • 08/09/2025
A vulnerability, which was classified as problematic, has been found in Vinades NukeViet up to 4.5.06. This issue affects some unknown processing of the file /admin/index.php?language=en&nv=upload of the component Module Handler. The manipulation leads to server-side request forgery. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
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Analysis
by VulDB Data Team • 09/15/2025
CVE-2025-8772 represents a critical server-side request forgery vulnerability within the Vinades NukeViet content management system version 4.5.06 and earlier. This vulnerability exists in the administrative interface component known as Module Handler, specifically within the file path /admin/index.php?language=en&nv=upload. The flaw allows attackers to manipulate the system's request processing mechanisms, enabling them to make unauthorized requests to arbitrary servers on behalf of the vulnerable system. This particular vulnerability is classified under CWE-918 as Server-Side Request Forgery, which occurs when an application uses user-supplied input to construct HTTP requests without proper validation or sanitization. The attack vector is remotely exploitable, meaning malicious actors can trigger the vulnerability from outside the network without requiring physical access or prior authentication within the system.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization within the Module Handler component. When the administrative interface processes requests through the specified URL path, it fails to properly validate or filter user-provided parameters that control the upload functionality. This allows attackers to inject malicious URLs or hostnames that the system will then attempt to access, effectively using the vulnerable server as an intermediary for making requests to internal or external targets. The exploitability of this vulnerability is heightened by the fact that it has been publicly disclosed and is actively being used in the wild, indicating that threat actors have already developed working attack vectors against this specific flaw. The lack of vendor response to early disclosure attempts suggests potential delays in patch development or awareness issues within the vendor's security team.
The operational impact of CVE-2025-8772 extends beyond simple data exfiltration or service disruption, as it can enable attackers to perform reconnaissance activities against internal network resources that would otherwise be protected by firewalls or network segmentation. An attacker could leverage this vulnerability to probe internal services, access sensitive information stored on internal servers, or even establish command and control channels through the compromised system. The vulnerability aligns with ATT&CK technique T1071.004 for Application Layer Protocol: DNS, as the system may be coerced into making DNS requests to malicious domains, and potentially with T1566 for Phishing as attackers could use this to redirect requests to phishing servers. Organizations running affected versions of NukeViet face significant risk of unauthorized access to their administrative interfaces, potential data breaches, and possible compromise of their entire web infrastructure. The vulnerability essentially allows attackers to use the target system as a proxy for malicious activities, making it particularly dangerous in environments where the CMS is used for critical business operations or contains sensitive data.
Mitigation strategies for CVE-2025-8772 should prioritize immediate patching of the affected NukeViet installations to version 4.5.07 or later, which contains the necessary security fixes. Organizations should implement network-level restrictions to prevent unauthorized access to administrative interfaces, particularly by limiting access to trusted IP addresses or implementing multi-factor authentication for administrative accounts. Additionally, network monitoring should be enhanced to detect unusual outbound requests that might indicate exploitation attempts. The implementation of web application firewalls can help filter malicious requests before they reach the vulnerable components, while regular security audits and vulnerability assessments should be conducted to identify similar issues in other components of the system. Organizations should also consider implementing network segmentation to isolate administrative functions from public-facing web applications, reducing the attack surface and limiting the potential impact of successful exploitation attempts. Given the public availability of exploit code, immediate remediation is essential to prevent unauthorized access to affected systems.