CVE-2026-24960 in Charety Plugin
Summary
by MITRE • 03/05/2026
Unrestricted Upload of File with Dangerous Type vulnerability in zozothemes Charety charety allows Using Malicious Files.This issue affects Charety: from n/a through < 2.0.2.
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Analysis
by VulDB Data Team • 03/11/2026
The vulnerability CVE-2026-24960 represents a critical unrestricted file upload flaw in the zozothemes Charety charety platform that enables remote attackers to execute arbitrary code through malicious file uploads. This vulnerability falls under the Common Weakness Enumeration category CWE-434, which specifically addresses the improper restriction of uploads of executable files. The issue exists within the file upload functionality of the Charety platform, where the application fails to properly validate file types and extensions before processing uploaded content, creating a pathway for attackers to bypass security controls and upload potentially harmful files.
The technical exploitation of this vulnerability occurs when an attacker uploads a file with a dangerous file extension that the application accepts without proper validation. This weakness allows malicious actors to upload web shells, script files, or other executable content that can be executed within the web server context. The vulnerability affects all versions of the Charety platform prior to version 2.0.2, indicating that the developers were aware of this security gap and implemented a fix in the subsequent release. The lack of proper file type validation and content inspection mechanisms creates a persistent threat vector that can be leveraged for various attack scenarios including remote code execution, privilege escalation, and persistent backdoor installation.
Operationally, this vulnerability poses significant risks to organizations using the Charety platform as it enables attackers to gain unauthorized access to the underlying system infrastructure. The impact extends beyond simple file upload capabilities, potentially allowing threat actors to establish persistent access, exfiltrate sensitive data, or compromise the entire web application environment. Attackers can leverage this vulnerability to deploy web shells that provide continuous access to the compromised system, making it particularly dangerous for organizations that rely on this platform for critical operations. The vulnerability's exploitation aligns with ATT&CK technique T1505.003 for server-side web shell deployment, which is commonly used to maintain persistence and execute commands on compromised systems.
Organizations should immediately implement multiple layers of defense to mitigate this vulnerability, beginning with the mandatory upgrade to version 2.0.2 or later where the fix has been implemented. Additional mitigations include implementing strict file type validation mechanisms that reject executable files, configuring web servers to prevent execution of uploaded files in web-accessible directories, and implementing proper input sanitization and content inspection techniques. Network-based defenses such as web application firewalls should be configured to monitor and block suspicious file upload attempts, while regular security assessments should be conducted to identify similar vulnerabilities in other components of the application stack. The implementation of principle of least privilege access controls and regular security audits will further reduce the attack surface and potential impact of such vulnerabilities in the broader system environment.