Reliance CG (legacy) - XSS (CVE-2025-34141)

CVE-2025-34141 is a reflected cross-site scripting (XSS) vulnerability in the ETQ Reliance CG (legacy) platform's SQLConverterServlet component. By enticing users to click on a specially crafted link, attackers can execute unauthorized scripts in the context of the user's session, potentially leading to information disclosure or session hijacking. This vulnerability was addressed by disabling the affected servlet in version SE.2025.1.

CrowdSec has been tracking this vulnerability and its exploits since 24th of July 2025.

Data from the CrowdSec community indicates that exploitation of CVE-2025-34141 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. CrowdSec network telemetry also shows that exploitation of CVE-2025-34141 has significantly declined over the past week. Attack volumes are well below the long-term average, suggesting attackers are rapidly losing interest. The vulnerability appears to be falling out of active use across most threat landscapes.

Attackers exploit the /SQLConverterServlet endpoint by injecting XSS payloads into the MySQLStm parameter, potentially leading to execution of arbitrary scripts in the user's browser session.