CVE-2023-41449 in AjaxNewsTicker
Summary
by MITRE • 10/25/2023
An issue in phpkobo AjaxNewsTicker v.1.0.5 allows a remote attacker to execute arbitrary code via a crafted payload to the reque parameter.
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Analysis
by VulDB Data Team • 02/01/2026
The vulnerability identified as CVE-2023-41449 resides within phpkobo AjaxNewsTicker version 1.0.5, representing a critical remote code execution flaw that exposes systems to unauthorized command injection attacks. This vulnerability specifically targets the reque parameter within the application's processing logic, creating an avenue for malicious actors to inject and execute arbitrary code on the affected server. The flaw demonstrates characteristics consistent with CWE-94, which encompasses the execution of arbitrary code or commands, typically occurring when untrusted data is processed without adequate sanitization or validation. The vulnerability's remote nature means that attackers can exploit it from outside the network perimeter without requiring physical access or prior authentication, making it particularly dangerous for publicly accessible web applications.
The technical implementation of this vulnerability stems from insufficient input validation and sanitization mechanisms within the AjaxNewsTicker application. When the reque parameter receives crafted input, the application fails to properly sanitize or escape the data before processing, allowing malicious payloads to be interpreted as executable commands. This represents a classic command injection vulnerability where user-supplied data flows directly into system execution contexts without proper security controls. The flaw likely occurs in the application's backend processing logic where the reque parameter is directly used in system calls or file operations, creating a direct pathway for attackers to manipulate the application's behavior through carefully crafted payloads that can execute system commands with the privileges of the web application.
The operational impact of this vulnerability extends beyond simple code execution, as it provides attackers with comprehensive control over the affected system. Successful exploitation can result in complete system compromise, data theft, privilege escalation, and potential lateral movement within network environments. The vulnerability affects any system running phpkobo AjaxNewsTicker version 1.0.5, making it particularly concerning for organizations that have not yet patched their installations. This flaw aligns with ATT&CK technique T1059, which covers execution through command and scripting interpreters, and T1021.004, covering remote services such as web services that can be leveraged for code execution. The vulnerability's potential for causing widespread damage is amplified by the fact that it operates at the application layer, allowing attackers to bypass traditional network security controls that might protect against lower-level attacks.
Organizations must implement immediate mitigations to address this vulnerability, including applying the latest available patches from the vendor, which should contain proper input validation and sanitization controls. Network segmentation and firewall rules should be configured to limit access to the affected application, particularly restricting direct internet access where possible. Input validation should be strengthened at multiple layers, including application-level filtering and output encoding to prevent malicious payloads from being processed. Security monitoring should be enhanced to detect unusual patterns in the reque parameter usage, and web application firewalls should be configured to block suspicious payloads. The remediation process should also include a comprehensive review of similar vulnerabilities across the application stack, as this flaw demonstrates poor input handling practices that may exist elsewhere in the system. Additionally, organizations should consider implementing automated vulnerability scanning and penetration testing to identify and remediate similar issues before they can be exploited by malicious actors.