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CVE-2025-23968: CWE-434 Unrestricted Upload of File with Dangerous Type in WPCenter AiBud WP

Critical
VulnerabilityCVE-2025-23968cvecve-2025-23968cwe-434
Published: Thu Jul 03 2025 (07/03/2025, 18:49:18 UTC)
Source: CVE Database V5
Vendor/Project: WPCenter
Product: AiBud WP

Description

Unrestricted Upload of File with Dangerous Type vulnerability in WPCenter AiBud WP allows Upload a Web Shell to a Web Server.This issue affects AiBud WP: from n/a through 1.8.5.

AI-Powered Analysis

AILast updated: 07/03/2025, 19:09:30 UTC

Technical Analysis

CVE-2025-23968 is a critical vulnerability classified under CWE-434, which pertains to the unrestricted upload of files with dangerous types. This vulnerability affects the WPCenter AiBud WP plugin, versions up to and including 1.8.5. The core issue lies in the plugin's failure to properly restrict or validate file types during upload, allowing an attacker with high privileges (PR:H) to upload malicious files such as web shells to the target web server. The vulnerability has a CVSS v3.1 base score of 9.1, indicating a critical severity level. The attack vector is network-based (AV:N), requiring no user interaction (UI:N), but does require the attacker to have some level of privileges on the system (PR:H). The scope is changed (S:C), meaning the vulnerability can affect resources beyond the initially vulnerable component. The impact on confidentiality, integrity, and availability is high (C:H/I:H/A:H), as an attacker can execute arbitrary code remotely, potentially leading to full system compromise, data theft, defacement, or denial of service. Although no known exploits are currently reported in the wild, the nature of the vulnerability makes it a prime target for exploitation once a public exploit becomes available. The lack of available patches at the time of publication increases the urgency for organizations to implement compensating controls. This vulnerability is particularly dangerous because web shells provide persistent backdoor access, enabling attackers to maintain control over compromised servers and pivot within networks.

Potential Impact

For European organizations, the impact of CVE-2025-23968 could be severe, especially for those relying on WordPress sites using the AiBud WP plugin. Successful exploitation could lead to unauthorized access to sensitive data, disruption of services, and reputational damage. Organizations in sectors such as finance, healthcare, government, and e-commerce are at heightened risk due to the sensitive nature of their data and regulatory requirements like GDPR. Compromise of web servers hosting critical applications could facilitate lateral movement within corporate networks, leading to broader breaches. Additionally, the ability to upload web shells can enable attackers to deploy ransomware or conduct espionage activities. Given the criticality of the vulnerability and the potential for widespread exploitation, European organizations must prioritize detection and mitigation to protect their digital assets and maintain compliance with data protection laws.

Mitigation Recommendations

1. Immediate mitigation involves restricting file upload permissions to only trusted users and roles, minimizing the number of users with high privileges who can upload files. 2. Implement strict server-side validation and filtering of uploaded files, ensuring only safe file types are accepted, and scanning uploads with antivirus or endpoint detection tools. 3. Employ web application firewalls (WAFs) with custom rules to detect and block attempts to upload web shells or other malicious payloads. 4. Monitor web server logs and file system changes for unusual activity indicative of web shell deployment. 5. Isolate WordPress instances and plugins in containerized or sandboxed environments to limit the impact of potential compromises. 6. Regularly update and patch the AiBud WP plugin as soon as a vendor patch becomes available. 7. Conduct regular security audits and penetration testing focused on file upload functionalities. 8. Implement network segmentation to restrict access to critical backend systems from web-facing servers. 9. Educate administrators on the risks associated with file uploads and enforce the principle of least privilege. These measures, combined, reduce the attack surface and improve detection and response capabilities against exploitation attempts.

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Technical Details

Data Version
5.1
Assigner Short Name
Patchstack
Date Reserved
2025-01-16T11:33:05.291Z
Cvss Version
3.1
State
PUBLISHED

Threat ID: 6866d1e86f40f0eb729ab73f

Added to database: 7/3/2025, 6:54:32 PM

Last enriched: 7/3/2025, 7:09:30 PM

Last updated: 7/12/2025, 3:03:46 PM

Views: 36

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