CVE-2025-55296

MEDIUM EPSS 52.5%
Published Aug 18, 202510mo ago · Modified Jun 17, 20262w ago
5.4 CVSS 3.1
Medium
Find Similar
Published Aug 18, 2025 10mo ago
Last Modified Jun 17, 2026 2w ago

Description

librenms is a community-based GPL-licensed network monitoring system. A stored Cross-Site Scripting (XSS) vulnerability exists in LibreNMS (<= 25.6.0) in the Alert Template creation feature. This allows a user with the admin role to inject malicious JavaScript, which will be executed when the template is rendered, potentially compromising other admin accounts. This vulnerability is fixed in 25.8.0.

CVSS Details

Base Score
5.4
Exploitability
2.3
Impact
2.7
Vector string
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack Vector Network
Attack Complexity Low
Privileges Required Low
User Interaction Required
Scope Changed
Confidentiality Low
Integrity Low
Availability None

Threat Intelligence

EPSS Exploit Probability
52.5% percentile
Exploit & Patch Status
Public Exploit Known
Patch Available

Weaknesses 1

CWE-79 Cross-site Scripting Injection

Affected Products 1

VendorProductVersionRange
librenmslibrenms* <25.8.0

References 2

  • github.com https://github.com/librenms/librenms/commit/8ade3d827d317f5ac4b336617aafff865f825958
    Patch
  • github.com https://github.com/librenms/librenms/security/advisories/GHSA-vxq6-8cwm-wj99
    ExploitVendor Advisory

Remediation

  • github.com https://github.com/librenms/librenms/commit/8ade3d827d317f5ac4b336617aafff865f825958
    Patch