{"id":"CVE-2025-55296","url":"https://www.cyber-defence.io/tools/cve/CVE-2025-55296","generatedAt":"2026-11-02T14:53:39.604Z","title":"A stored Cross-Site Scripting (XSS) vulnerability exists in LibreNMS (<= 25.6.0) in the Alert Template creation feature.","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.","published":"2025-08-18T18:15:40.000Z","lastModified":"2026-06-17T09:41:36.000Z","status":"Analyzed","sourceIdentifier":"security-advisories@github.com","cvss":{"version":"3.1","score":5.4,"severity":"MEDIUM","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N"},"cwe":["CWE-79"],"affected":["librenms/librenms"],"epss":{"score":0.17039,"percentile":0.97077,"date":"2026-11-01","history":[{"date":"2026-10-18","score":0.14808,"percentile":0.96657},{"date":"2026-10-29","score":0.17039,"percentile":0.97068}]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"urgent","text":"EPSS puts the probability of exploitation in the next 30 days at 17.0%, higher than 97% of all known CVEs. Patch or mitigate before the next change window."},"changes":[],"references":[{"url":"https://github.com/librenms/librenms/commit/8ade3d827d317f5ac4b336617aafff865f825958","tags":["Patch"],"source":"security-advisories@github.com"},{"url":"https://github.com/librenms/librenms/security/advisories/GHSA-vxq6-8cwm-wj99","tags":["Exploit","Vendor Advisory"],"source":"security-advisories@github.com"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2025-55296","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}