Cedar Gate EZ-NET portal - XSS (CVE-2022-23397)

This vulnerability affects the Cedar Gate EZ-NET portal versions 6.5.5 and 6.8.0, where improper sanitization of URL parameters leads to a reflected cross-site scripting (XSS) flaw. Attackers could exploit this issue to inject malicious scripts, potentially stealing user credentials or performing actions on behalf of unsuspecting users. Although the vendor disputes the vulnerability due to unclear reproduction steps, the risk of XSS attacks remains a concern for affected deployments.

CrowdSec has been tracking this vulnerability and its exploits since 16th of July 2025.

Data from the CrowdSec community indicates that exploitation of CVE-2022-23397 is highly selective and intelligence-driven. Threat actors use advanced reconnaissance and carefully choose their targets, often as part of sophisticated campaigns or advanced persistent threat operations. Telemetry from the CrowdSec network also shows that exploitation activity for CVE-2022-23397 remains steady week-over-week. Attack volumes are consistent with long-term trends, indicating sustained interest from threat actors. CVE-2022-23397 continues to be an active part of the threat landscape and will likely remain this way for the forseeable future.

Attackers exploit this vulnerability by injecting HTML tags (such as <img ...>) into the Usertext parameter of /EZ-NET60/AlertMessages.aspx, leading to reflected cross-site scripting.