Network Optix Nx Witness VMS up to 6.1.2 Web Administration Interface cross site scripting

Summaryinfo

A vulnerability has been found in Network Optix Nx Witness VMS up to 6.1.2 and classified as problematic. This vulnerability affects unknown code of the component Web Administration Interface. This manipulation causes cross site scripting. This vulnerability is registered as CVE-2026-78414. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability classified as problematic was found in Network Optix Nx Witness VMS up to 6.1.2. Affected by this vulnerability is an unknown part of the component Web Administration Interface. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

Cross-site scripting in the Web Administration interface of Network Optix Nx Witness VMS before version 6.1.3 on Linux, Windows and MacOS allows an adjacent-network attacker to execute arbitrary JavaScript in the browser of an authenticated administrator and steal the administrator's session token, resulting in Administrator Account Takeover. An attacker who controls an Nx server on the same network segment can set that server's site name to a script payload, which executes when an administrator opens the "Merge with Another Site" dialog and the site selection list is displayed.Solution: Update to Nx Witness VMS version 6.1.3 or later.

The advisory is shared at support.networkoptix.com. This vulnerability is known as CVE-2026-78414 since 08/24/2026. The exploitation appears to be easy. The attack can be launched remotely. The exploitation requires an enhanced level of successful authentication. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1059.007 for this issue.

Upgrading to version 6.1.3 eliminates this vulnerability.

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Vendor

• Network Optix

Name

• Nx Witness VMS

Version

• 6.1.0
• 6.1.1
• 6.1.2

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CPE 2.2info

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Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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