Is CVE-2025-55296 in the CISA KEV catalog?

No. CVE-2025-55296 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2025-55296?

CVE-2025-55296 has a CVSS v3 base score of 5.5 (MEDIUM).

What is the EPSS score for CVE-2025-55296?

CVE-2025-55296 has an EPSS score of 0.82% (53th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2025-55296?

Upgrade librenms to 25.8.0 or later.

CVE & CISA-KEV Catalog

CVE-2025-55296

MEDIUM

5.5

CVSS v3

NVD

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.

CWE-79Cross-Site Scripting (XSS)

How to fix

Remediation Available

librenmsNVD

Affected:< 25.8.0Fixed in:25.8.0CVE-2025-55296derived from NVD

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v3 Vector

Exploitability

Attack VectorNetwork

Attack ComplexityLow

Privileges RequiredHigh

User InteractionNone

ScopeChanged

Impact

ConfidentialityLow

IntegrityLow

AvailabilityNone

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:N

Exploit Intelligence

0.82%probability of exploitation in 30 days

53rdpercentile

Moderate risk: more likely to be exploited than 53% of all known CVEs.

References

Patch1

github.com

Exploit1

github.com

Related Vulnerabilities

Other CWE-79 (Cross-Site Scripting (XSS)) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2020-11022	Medium	6.9	99%	-	Fix
CVE-2019-3929	Critical	9.8	99%	KEV	Fix
CVE-2020-9496	Medium	6.1	99%	-	-
CVE-2023-28341	Medium	6.1	99%	-	Fix
CVE-2018-12998	Medium	6.1	98%	-	-
CVE-2025-4123	High	7.6	98%	-	Fix

Embed a live status badge for CVE-2025-55296

Markdown

[![CVE-2025-55296](https://tridentstack.com/cve/badge/CVE-2025-55296.svg)](https://tridentstack.com/cve/CVE-2025-55296)

HTML

<a href="https://tridentstack.com/cve/CVE-2025-55296"><img src="https://tridentstack.com/cve/badge/CVE-2025-55296.svg" alt="CVE-2025-55296"></a>

Find and fix vulnerabilities across your fleet

TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.

Start free

This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2025-09-10.