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Vulnerability details: VCID-v2sw-u952-7qfz
Vulnerability ID VCID-v2sw-u952-7qfz
Aliases CVE-2025-47931
GHSA-hxw5-9cc5-cmw5
Summary 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 1. Attacker creates a new poller group and injects the payload in the 'group name' parameter ``` payload: <script>alert('XSS')</script> ``` 2. Victim navigates to the 'http://localhost/addhost' to add a new host 3. The payload is executed code sink: https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
Status Published
Exploitability 0.5
Weighted Severity 2.7
Risk 1.4
Affected and Fixed Packages Package Details
Weaknesses (3)
CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-937 OWASP Top Ten 2013 Category A9 - Using Components with Known Vulnerabilities
CWE-1035 OWASP Top Ten 2017 Category A9 - Using Components with Known Vulnerabilities
System Score Found at
epss 6e-05 https://api.first.org/data/v1/epss?cve=CVE-2025-47931
epss 6e-05 https://api.first.org/data/v1/epss?cve=CVE-2025-47931
epss 6e-05 https://api.first.org/data/v1/epss?cve=CVE-2025-47931
epss 6e-05 https://api.first.org/data/v1/epss?cve=CVE-2025-47931
epss 6e-05 https://api.first.org/data/v1/epss?cve=CVE-2025-47931
cvssv3.1_qr LOW https://github.com/advisories/GHSA-hxw5-9cc5-cmw5
cvssv4 2.1 https://github.com/librenms/librenms
generic_textual LOW https://github.com/librenms/librenms
cvssv4 2.1 https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
generic_textual LOW https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
ssvc Track https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
cvssv4 2.1 https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062
generic_textual LOW https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062
ssvc Track https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062
cvssv4 2.1 https://github.com/librenms/librenms/pull/17603
generic_textual LOW https://github.com/librenms/librenms/pull/17603
ssvc Track https://github.com/librenms/librenms/pull/17603
cvssv3.1_qr LOW https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
cvssv4 2.1 https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
generic_textual LOW https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
ssvc Track https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
cvssv4 2.1 https://nvd.nist.gov/vuln/detail/CVE-2025-47931
generic_textual LOW https://nvd.nist.gov/vuln/detail/CVE-2025-47931
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2025-47931
https://github.com/librenms/librenms
https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062
https://github.com/librenms/librenms/pull/17603
CVE-2025-47931 https://nvd.nist.gov/vuln/detail/CVE-2025-47931
GHSA-hxw5-9cc5-cmw5 https://github.com/advisories/GHSA-hxw5-9cc5-cmw5
GHSA-hxw5-9cc5-cmw5 https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
No exploits are available.
Vector: 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 Found at https://github.com/librenms/librenms
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

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Vector: 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 Found at https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-19T20:17:23Z/ Found at https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284
Vector: 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 Found at https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

low

high

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present

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Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-19T20:17:23Z/ Found at https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062
Vector: 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 Found at https://github.com/librenms/librenms/pull/17603
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-19T20:17:23Z/ Found at https://github.com/librenms/librenms/pull/17603
Vector: 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 Found at https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

local

physical

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Vector: SSVCv2/E:P/A:N/T:P/P:M/B:A/M:M/D:T/2025-05-19T20:17:23Z/ Found at https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5
Vector: 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 Found at https://nvd.nist.gov/vuln/detail/CVE-2025-47931
Attack Vector (AV) Attack Complexity (AC) Attack Requirements (AT) Privileges Required (PR) User Interaction (UI) Vulnerable System Impact Confidentiality (VC) Vulnerable System Impact Integrity (VI) Vulnerable System Impact Availability (VA) Subsequent System Impact Confidentiality (SC) Subsequent System Impact Integrity (SI) Subsequent System Impact Availability (SA)

network

adjacent

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Exploit Prediction Scoring System (EPSS)
Percentile 0.00422
EPSS Score 6e-05
Published At June 5, 2026, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2026-06-04T16:24:01.513043+00:00 GitLab Importer Import https://gitlab.com/gitlab-org/advisories-community/-/blob/main/packagist/librenms/librenms/CVE-2025-47931.yml 38.6.0