CVE-2023-22376 in CS-WMV02G
Summary
by MITRE • 02/14/2023
** UNSUPPORTED WHEN ASSIGNED ** Reflected cross-site scripting vulnerability in Wired/Wireless LAN Pan/Tilt Network Camera CS-WMV02G all versions allows a remote unauthenticated attacker to inject arbitrary script to inject an arbitrary script. NOTE: This vulnerability only affects products that are no longer supported by the developer.
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Analysis
by VulDB Data Team • 09/29/2025
The CVE-2023-22376 vulnerability represents a reflected cross-site scripting flaw in the CS-WMV02G network camera product line manufactured by Wired/Wireless LAN Pan/Tilt Network Camera vendor. This security weakness exists within the web interface of the device and stems from improper input validation and output encoding mechanisms. The vulnerability is classified as a reflected XSS attack vector where malicious scripts can be injected through web requests and subsequently executed in the victim's browser context. According to CWE-79, this corresponds to an implementation weakness where the application does not properly sanitize user input before incorporating it into dynamically generated web content. The attack surface is particularly concerning as it allows unauthenticated remote exploitation, meaning any attacker with network access can potentially compromise the device's web interface without requiring prior authentication credentials.
The technical implementation of this vulnerability occurs when the web server fails to adequately filter or escape user-supplied data that is reflected back to the browser in HTTP responses. In the context of network camera devices, this typically involves parameters passed through URL query strings or form data that are not properly sanitized before being rendered in web pages. When an attacker crafts a malicious URL containing script code and tricks a user into clicking it, the device's web interface reflects this malicious content back to the user's browser, which then executes the embedded script. This type of vulnerability directly maps to ATT&CK technique T1566.001 which describes the use of malicious links or payloads delivered via web-based attacks to compromise target systems. The reflected nature of this XSS vulnerability means that the malicious payload is not stored on the server but rather passed through the web application to the victim's browser, making it particularly challenging to detect and prevent through traditional server-side filtering mechanisms.
The operational impact of CVE-2023-22376 extends beyond simple script execution as it can enable attackers to perform various malicious activities including session hijacking, credential theft, and data exfiltration from the compromised network camera. Since the device is a network camera, successful exploitation could allow attackers to gain unauthorized access to video feeds, potentially compromising surveillance operations and privacy. The vulnerability's unauthenticated nature significantly amplifies its threat level as attackers can exploit it without requiring legitimate credentials, making detection more difficult. Network cameras typically operate in environments where they may be accessible from multiple network segments or even the internet, increasing the attack surface for this particular vulnerability. The fact that this affects a device that is no longer supported by the vendor creates additional operational challenges as there are no official patches or updates available to remediate the issue, leaving organizations with limited options for protection.
Organizations currently utilizing CS-WMV02G network cameras should immediately implement network segmentation to isolate these devices from critical network segments and limit their exposure to external threats. Network access control lists and firewalls should be configured to restrict access to the camera's web interface to only trusted administrative networks. Additionally, implementing web application firewalls specifically configured to detect and block XSS attack patterns can provide an additional layer of protection. The most effective long-term mitigation strategy involves replacing the affected hardware with supported models that receive regular security updates and patches from the vendor. Given that the device is end-of-life, maintaining it in production environments poses significant risks that may outweigh operational benefits. Organizations should also consider implementing monitoring solutions that can detect anomalous traffic patterns or attempts to exploit known vulnerabilities in legacy network devices, as these systems often become prime targets for attackers seeking to establish persistent access within network environments.