CVE-2025-7788 in xxl-job
Summary
by MITRE • 07/18/2025
A vulnerability has been found in Xuxueli xxl-job up to 3.1.1 and classified as critical. Affected by this vulnerability is the function commandJobHandler of the file src\main\java\com\xxl\job\executor\service\jobhandler\SampleXxlJob.java. The manipulation leads to os command injection. The attack can be launched remotely. The exploit has been disclosed to the public and may be used.
If you want to get best quality of vulnerability data, you may have to visit VulDB.
Analysis
by VulDB Data Team • 09/11/2025
The vulnerability identified as CVE-2025-7788 represents a critical security flaw in the Xuxueli xxl-job distributed task scheduling platform version 3.1.1 and earlier. This issue resides within the commandJobHandler function located in the src/main/java source file, making it a core component of the system's job execution mechanism. The xxl-job platform is widely utilized for enterprise-level task scheduling and automation, which amplifies the potential impact of this vulnerability across numerous organizations relying on its functionality. The affected component processes job execution commands that are typically submitted through the platform's web interface or API endpoints, creating multiple potential attack vectors for exploitation.
The technical flaw stems from insufficient input validation and sanitization within the commandJobHandler function, which allows malicious actors to inject arbitrary commands that get executed within the context of the job scheduler process. This represents a classic command injection vulnerability that falls under CWE-77 and aligns with ATT&CK technique T1059.001 for command and script injection. The vulnerability occurs when user-supplied parameters containing shell commands are directly incorporated into system execution calls without proper sanitization or encoding. Attackers can leverage this weakness to execute arbitrary code on the server hosting the xxl-job instance, potentially gaining full control over the scheduling infrastructure and accessing underlying systems. The vulnerability's severity is compounded by the fact that job schedulers often run with elevated privileges to execute various system tasks, providing attackers with increased attack surface and potential for lateral movement within the network.
The operational impact of CVE-2025-7788 extends beyond immediate system compromise, as it can enable attackers to establish persistent backdoors, exfiltrate sensitive data, or disrupt critical business operations that depend on automated task scheduling. Organizations utilizing xxl-job for mission-critical processes face significant risk of service interruption, data breaches, or unauthorized system access. The vulnerability's exploitation can lead to unauthorized access to databases, file systems, and other network resources that the job scheduler interacts with during normal operation. Security teams must consider the potential for this vulnerability to serve as a foothold for broader attacks, particularly in environments where the job scheduler communicates with multiple internal systems or services. The impact is especially severe in regulated industries where compliance requirements demand secure handling of sensitive information and where unauthorized access could result in substantial financial and reputational damage.
Organizations should immediately implement mitigations including upgrading to the latest version of xxl-job that addresses this vulnerability, applying proper input validation and sanitization to all user-supplied parameters, and implementing network segmentation to limit access to the job scheduler components. Additional defensive measures include monitoring for suspicious command execution patterns, implementing least privilege principles for job scheduler processes, and conducting comprehensive security assessments of all task scheduling configurations. The mitigation strategy should also incorporate regular security updates and patch management processes to ensure continued protection against similar vulnerabilities. Organizations should consider implementing web application firewalls and intrusion detection systems to monitor for exploitation attempts, while also reviewing and strengthening authentication mechanisms to prevent unauthorized access to the job scheduler's administrative interfaces. The vulnerability highlights the importance of secure coding practices and input validation in distributed systems, particularly those handling user-provided execution commands.