CVE-2025-47931
LibreNMS stored Cross-site Scripting vulnerability in poller group name
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.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Passive
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
CVE List Score used
LibreNMS stored Cross-site Scripting vulnerability in poller group name
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.
- Record
CVE-2025-47931- CVSS 4.0
- 2.1 Low
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 - Weakness
- CWE-79
- Updated
- 2026-11-02
EUVDEUVD-2025-15590
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.
- Record
EUVD-2025-15590- CVSS 4.0
- 2.1 Low
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 - Updated
- 2026-11-02
GitHub AdvisoriesGHSA-hxw5-9cc5-cmw5
LibreNMS stored Cross-site Scripting vulnerability in poller group name
LibreNMS v25.4.0 suffers from 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.
---------------------------------POC-----------------------------
Before Setting: Enable 'distributed_poller' in http://localhost/settings/poller/distributed
- Attacker creates a new poller group and injects the payload in the 'group name' parameter
payload: <script>alert('XSS')</script>
- Victim navigates to the 'http://localhost/addhost' to add a new host
- The payload is executed
code sink: https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
- Record
GHSA-hxw5-9cc5-cmw5- CVSS 4.0
- 2.1 Low
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 - Weakness
- CWE-79
- Updated
- 2026-11-02
NVD
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.
- Record
CVE-2025-47931- CVSS 4.0
- 2.1 Low
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 - CVSS 3.1
- 6.1 Medium
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N - Weakness
- CWE-79
- Updated
- 2026-11-02
OSV
LibreNMS stored Cross-site Scripting vulnerability in poller group name
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.
- Record
CVE-2025-47931- CVSS 4.0
- 2.1 Low
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 - Weakness
- CWE-79
- Updated
- 2026-11-02
OSVGHSA-hxw5-9cc5-cmw5
LibreNMS stored Cross-site Scripting vulnerability in poller group name
LibreNMS v25.4.0 suffers from 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.
---------------------------------POC-----------------------------
Before Setting: Enable 'distributed_poller' in http://localhost/settings/poller/distributed
- Attacker creates a new poller group and injects the payload in the 'group name' parameter
payload: <script>alert('XSS')</script>
- Victim navigates to the 'http://localhost/addhost' to add a new host
- The payload is executed
code sink: https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
- Record
GHSA-hxw5-9cc5-cmw5- CVSS 4.0
- 2.1 Low
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 - Weakness
- CWE-79
- Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
librenms/librenmsPackagist |
before 25.5.0 | 25.5.0 |
librenms/librenmsPackagist |
before 25.5.0, plus listed versions 1.191.201.20.11.211.22 Show 45 moreShow less1.22.011.231.241.251.261.271.281.291.301.30.011.311.31.011.31.021.31.031.321.32.011.331.33.011.341.351.361.36.011.371.381.391.401.411.421.42.011.431.441.451.461.471.481.48.11.491.501.50.11.511.521.531.53.11.541.55 |
25.5.0 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | CVE List, EUVD, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2025-47931 is a low vulnerability (CVSS 2.1) in Librenms, published May 17, 2025. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 10.1%, the 95th percentile. Fixed in librenms/librenms 25.5.0.
References
github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
nvd.nist.gov/vuln/detail/CVE-2025-47931
Left out here: 88 versions. The JSON record has them.