The vulnerability of the SNMP protocol implementation in the LibreNMS network monitoring system allows a perpetrator to gain unauthorized access to protected information and perform cross-site attacks.

The vulnerability of the SNMP protocol implementation in the LibreNMS network monitoring system is related to deficiencies in the process of blocking outdated PHP templates. Exploiting this vulnerability allows a malicious actor to gain unauthorized access to protected information and perform...

CVE-2026-84192

LibreNMS before 26.3.1 contains a stored cross-site scripting vulnerability in legacy PHP templates that output SNMP-sourced and syslog-sourced data without escaping. An attacker who controls a monitored network device can inject arbitrary JavaScript through SNMP interface descriptions or syslog...

CVE-2026-84193 LibreNMS through 26.2.0 Stored Cross-Site Scripting via SNMP

LibreNMS through 26.2.0 contains a stored cross-site scripting vulnerability in legacy PHP template pages that render unescaped SNMP-sourced data fields including BGP peer descriptions, VRF names, process information, and SLA tags. Attackers with device management access or network access to enro...

CVE-2026-84193 LibreNMS through 26.2.0 Stored Cross-Site Scripting via SNMP

LibreNMS through 26.2.0 contains a stored cross-site scripting vulnerability in legacy PHP template pages that render unescaped SNMP-sourced data fields including BGP peer descriptions, VRF names, process information, and SLA tags. Attackers with device management access or network access to enro...

EUVD-2026-69030

LibreNMS through 26.2.0 contains a stored cross-site scripting vulnerability in legacy PHP template pages that render unescaped SNMP-sourced data fields including BGP peer descriptions, VRF names, process information, and SLA tags. Attackers with device management access or network access to enro...

CVE-2026-84192

LibreNMS before 26.3.1 contains a stored cross-site scripting vulnerability in legacy PHP templates that output SNMP interface descriptions and syslog program fields without proper escaping. An attacker who controls a monitored network device can inject arbitrary JavaScript that executes when aut...

CVE-2026-84192 LibreNMS before 26.3.1 Stored XSS via SNMP/Syslog Data

LibreNMS before 26.3.1 contains a stored cross-site scripting vulnerability in legacy PHP templates that output SNMP-sourced and syslog-sourced data without escaping. An attacker who controls a monitored network device can inject arbitrary JavaScript through SNMP interface descriptions or syslog...

EUVD-2026-69029

LibreNMS before 26.3.1 contains a stored cross-site scripting vulnerability in legacy PHP templates that output SNMP-sourced and syslog-sourced data without escaping. An attacker who controls a monitored network device can inject arbitrary JavaScript through SNMP interface descriptions or syslog...

CVE-2026-84192: Improper Neutralization of Input During Web Page Generation

LibreNMS before 26.3.1 contains a stored cross-site scripting vulnerability in legacy PHP templates that output SNMP-sourced and syslog-sourced data without escaping. An attacker who controls a monitored network device can inject arbitrary JavaScript through SNMP interface descriptions or syslog...

PT-2026-84155

LibreNMS before 26.3.1 contains a stored cross-site scripting vulnerability in legacy PHP templates that output SNMP-sourced and syslog-sourced data without escaping. An attacker who controls a monitored network device can inject arbitrary JavaScript through SNMP interface descriptions or syslog...

Cross-site Scripting (XSS)

Overview librenms/librenms is a fully featured network monitoring system that provides a wealth of features and device support. Affected versions of this package are vulnerable to Cross-site Scripting XSS via unescaped output of attacker-controlled SNMP and syslog data in legacy PHP templates. An...

GHSA-7W8C-QGXG-M7JX LibreNMS — Stored XSS via SNMP/Syslog Data in Legacy Templates

Summary Multiple legacy PHP template files in LibreNMS directly output SNMP-sourced and syslog-sourced data into HTML without escaping. An attacker who controls a monitored network device via compromised SNMP agent or syslog sender can inject arbitrary JavaScript that executes when any...

EUVD-2022-0431

Malicious code in bioql PyPI...

File Upload Vulnerability in the Backend of UWA Universal Building System

UWA is a general-purpose website builder based on PHP and MySQL. UWA general-purpose site-building system background file upload vulnerability , the vulnerability is due to the UWA background allows customized php template files , and in the saving of the content of the PHP file does not do the...

SQL injection vulnerability in the sh***.cl***.php file of UQCMS cloud business system

UQCMS cloud business system is programmed with PHP + MYSQL, the template uses smarty templates, the front and back end is separated from a B2B2C e-commerce software. UQCMS cloud business system sh.cl.php file SQL injection vulnerability, an attacker can use the vulnerability to obtain database...