Skip to content
Heist/ feed
Back to feed
Medium

LibreNMS allows stored XSS in Alert Template name field

Type: advisorySources: OSV

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.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2025-55296
Confirmed fixed CVEs
Not specified
Updated in this feed
4 Nov 2026, 09:03 UTC · Revision 1

Source evidence

LibreNMS allows stored XSS in Alert Template name field

core-osv · Original source

Published 18 Aug 2025, 17:27 UTC

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.

osv:CVE-2025-55296
Complete source record
{
  "id": "39d657a5926e23e3bd928938c68c8e09a37a6b5b58d31ead33d02adc8122cd96",
  "url": "https://osv.dev/vulnerability/CVE-2025-55296",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "LibreNMS allows stored XSS in Alert Template name field",
    "summary": "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.",
    "evidence": "osv:CVE-2025-55296",
    "products": [],
    "severity": "medium",
    "structured": {
      "id": "CVE-2025-55296",
      "aliases": [
        "CVE-2025-55296",
        "GHSA-vxq6-8cwm-wj99"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/librenms/librenms",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "14bb598f7a48a9ef334424b8093ac68b66ec6559"
                },
                {
                  "fixed": "8ade3d827d317f5ac4b336617aafff865f825958"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "25.8.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "range": [
                      {
                        "fixed": "8ade3d827d317f5ac4b336617aafff865f825958"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
            "25.7.0",
            "25.6.0",
            "25.5.0",
            "25.4.0",
            "25.3.0",
            "25.2.0",
            "25.1.0",
            "24.12.0",
            "24.11.0",
            "24.10.1",
            "24.10.0",
            "24.9.1",
            "24.9.0",
            "24.8.0",
            "24.7.0",
            "24.6.0",
            "24.5.0",
            "24.4.1",
            "24.4.0",
            "24.3.0",
            "24.2.0",
            "24.1.0",
            "23.11.0",
            "23.10.0",
            "23.9.1",
            "23.9.0",
            "23.8.2",
            "23.8.1",
            "23.8.0",
            "23.7.0",
            "23.6.0",
            "23.5.0",
            "23.4.1",
            "23.4.0",
            "23.2.0",
            "23.1.0",
            "22.12.0",
            "22.11.0",
            "22.10.0",
            "22.9.0",
            "22.8.0",
            "22.7.0",
            "22.6.0",
            "22.5.0",
            "22.4.0",
            "22.3.0",
            "22.2.1",
            "22.2.0",
            "22.1.0",
            "21.12.1",
            "21.12.0",
            "21.11.0",
            "21.10.0",
            "21.9.0",
            "21.8.0",
            "21.7.0",
            "21.6.0",
            "21.5.1",
            "21.5.0",
            "21.4.0",
            "21.3.0",
            "21.2.0",
            "21.1.0",
            "1.70.1",
            "1.70.0",
            "1.69",
            "1.68",
            "1.67",
            "1.66",
            "1.65",
            "1.64.1",
            "1.64",
            "1.63",
            "1.62",
            "1.61",
            "1.60",
            "1.59",
            "1.58.1",
            "1.58",
            "1.57",
            "1.56",
            "1.55",
            "1.54",
            "1.53.1",
            "1.53",
            "1.52",
            "1.51",
            "1.50",
            "1.49",
            "1.48.1",
            "1.48",
            "1.47",
            "1.46",
            "1.45",
            "1.44",
            "1.43",
            "1.42.01",
            "1.42",
            "1.41",
            "1.40",
            "1.39",
            "1.38",
            "1.37",
            "1.36",
            "1.35",
            "1.33",
            "1.32",
            "1.31.03",
            "1.31.02",
            "1.31.01",
            "1.28",
            "1.27",
            "1.26",
            "1.25",
            "1.21",
            "201609",
            "1.20",
            "20160828",
            "1.19",
            "201608",
            "201607",
            "201606",
            "201605",
            "201604",
            "201603",
            "201602",
            "201601",
            "201512",
            "201511",
            "201510",
            "201509",
            "201508",
            "201507",
            "201505",
            "201506",
            "0.1"
          ],
          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2025-55296.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:34.174946084Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55296.json",
        "https://github.com/librenms/librenms/security/advisories/GHSA-vxq6-8cwm-wj99",
        "https://nvd.nist.gov/vuln/detail/CVE-2025-55296",
        "https://github.com/librenms/librenms/commit/8ade3d827d317f5ac4b336617aafff865f825958"
      ],
      "provider_metadata": {
        "cwe_ids": [
          "CWE-79"
        ],
        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/55xxx/CVE-2025-55296.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2025-55296",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 501290,
  "published_at": "2025-08-18T17:27:52.662+00:00"
}