CVE-2025-47931 json
LibreNMS stored Cross-site Scripting vulnerability in poller group name
published last yr. modified 4mo ago also EUVD-2025-15590 , GHSA-hxw5-9cc5-cmw5
- cvss
- 6.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 10.1%
- EPSS 10.1% chance of exploitation in 30 days, percentile 95%
- public exploits
- 0
- none known
Summary
LibreNMS is PHP/MySQL/SNMP based network monitoring software. LibreNMS v25.4.0 and prior suffers from a Stored Cross-Site Scripting (XSS) Vulnerability in the `group name` parameter of the `http://localhost/poller/groups` form. This vulnerability allows attackers to inject malicious scripts into web pages viewed by other users. LibreNMS v25.5.0 contains a patch for the issue.
Patch / fix
- packagist librenms/librenms 25.5.0
- librenms librenms 25.5.0
- github.com/librenms/librenms@88fe1a7 commit
- github.com/librenms/librenms#17603 pull request
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Check with FencerCISA SSVC
- Exploitation
- Proof of concept is public
- Automatable
- no
- Technical impact
- partial
- Assessed
- last yr.
Exploit prediction
10.12% chance of exploitation in the next 30 days, higher than 95% of all scored CVEs (FIRST EPSS, 2026-11-09).
Exploits and checks
- github.com https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5 referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 4.0 | 2.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P |
| CNA | 4.0 | 2.1 | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X |
| NVD | 3.1 | 6.1 | CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| packagist | librenms/librenms | <25.5.0 |
25.5.0 |
Affected products
- librenms librenms
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/librenms/librenms/pull/17603
web, issue-tracking, patch
-
github.com
/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062
web, patch
-
github.com
/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
web, exploit, vendor-advisory
-
github.com
/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
web, product
-
nvd.nist.gov
/vuln/detail/CVE-2025-47931
advisory
-
github.com
/librenms/librenms
package
Sources
- CVE List CVE-2025-47931
- GitHub Advisory GHSA-hxw5-9cc5-cmw5
- NVD CVE-2025-47931
Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.
CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.