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. In addition, according to the CrowdSec network, attack volume against CVE-2022-23397 has dipped slightly compared to the previous week. Although still commonly targeted, the decline suggests a cooling-off period. Long-term relevance remains, but attention is waning.

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.