This advisory has been withdrawn because it is a duplicate of GHSA-5gm9-622f-qcg5. This link is maintained to preserve external references.
LibreNMS versions before 26.3.0 are affected by an authenticated Cross-site Scripting vulnerability on the showconfig page. Successful exploitation requires administrative privileges. Exploitation could result in XSS attacks being performed against other users with access to the page.
{
"cwe_ids": [
"CWE-79"
],
"github_reviewed": true,
"github_reviewed_at": "2026-04-14T22:50:26Z",
"nvd_published_at": "2026-04-13T11:16:05Z",
"severity": "MODERATE"
}