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CVE-2023-4980

17
FAUCET Score

CVE-2023-4980 is a Cross-site Scripting (XSS) vulnerability affecting LibreNMS versions prior to 23.9.0. This medium-severity flaw (CVSS 5.4) allows an authenticated attacker to inject malicious scripts into the application, potentially leading to information disclosure or unauthorized actions within the user's browser. The attack requires user interaction and low privileges. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this vulnerability.

Impacted Technologies

VendorProductVersion(s)CPE
< 23.9.0CPE matchmatch criteria
cpe:2.3:a:librenms:librenms:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
5.9
CvssVersion
3.0

Exploit Intelligence

EPSS Score
0.59%
Probability of exploitation in next 30 days
EPSS Percentile
44.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0059 is in the 72nd percentile among its peer group of 15,239 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (2)

composerpatch availablevia ghsa
Product: librenms/librenmsFixed in: 23.9.0
github_advisorypatch availablevia nvd_reference
View patch

Vendor Advisories (1)

composerGHSA-qxrq-376q-p39hmedium

LibreNMS Cross-site Scripting vulnerability

Sep 15, 2023

References

github.com / librenms/librenms/commit/cfd642be6a1e988453bd63069d17db3664e7de97
Patch
huntr.dev / bounties/470b9b13-b7fe-4b3f-a186-fdc5dc193976
ExploitPatchThird Party Advisory