LibreNMS allows stored XSS in Alert Template name field
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 sourcePublished 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"
}
]
}
}
],
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],
"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"
}