CVE-2025-50004 in JupiterX Core Plugin
Summary
by MITRE • 01/22/2026
Deserialization of Untrusted Data vulnerability in artbees JupiterX Core jupiterx-core allows Object Injection.This issue affects JupiterX Core: from n/a through <= 4.10.1.
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Analysis
by VulDB Data Team • 01/24/2026
This vulnerability represents a critical deserialization flaw in the artbees JupiterX Core plugin for WordPress, specifically impacting versions through 4.10.1. The issue stems from the plugin's failure to properly validate and sanitize user-supplied data during the object deserialization process, creating an avenue for malicious actors to inject arbitrary objects into the application's memory space. Such vulnerabilities fall under the category of CWE-502, which specifically addresses the deserialization of untrusted data, making them particularly dangerous as they can lead to remote code execution or complete system compromise when exploited.
The technical exploitation of this vulnerability occurs when an attacker can manipulate serialized data that gets processed by the plugin's deserialization functions. In the context of WordPress, this typically happens when user input is directly passed through unserialize() or similar functions without proper validation. The object injection allows attackers to craft malicious serialized objects that, when processed, can execute arbitrary code on the target system. This type of attack vector is particularly insidious because it can bypass many traditional security measures and often remains undetected until it's too late.
The operational impact of this vulnerability extends beyond simple data corruption or unauthorized access. When successfully exploited, attackers can gain full control over the affected WordPress installation, potentially leading to complete system compromise, data exfiltration, or the use of the compromised server as a launchpad for further attacks within the network. The vulnerability affects not just individual sites but entire networks of WordPress installations that use the affected plugin, making it a significant concern for hosting providers and managed service providers. According to ATT&CK framework, this vulnerability maps to T1210 - Exploitation of Remote Services and T1059 - Command and Scripting Interpreter, as attackers can leverage the deserialization flaw to execute arbitrary commands.
Mitigation strategies for this vulnerability require immediate action from affected users, including updating to the latest version of the JupiterX Core plugin where the issue has been resolved. System administrators should also implement additional layers of protection such as input validation at multiple points, monitoring for unusual deserialization patterns, and implementing web application firewalls that can detect and block malicious serialization attempts. The security community recommends following the principle of least privilege when running WordPress installations and maintaining regular security audits to identify and remediate similar vulnerabilities before they can be exploited. Organizations should also consider implementing runtime application self-protection measures and monitoring for indicators of compromise related to deserialization attacks.