PT-2025-21798 · Librenms · Librenms

Fewword · Published 2025-05-17 · Updated 2025-05-28 · CVE-2025-47931

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Name of the Vulnerable Software and Affected Versions: LibreNMS versions prior to 25.5.0

Description: The issue is a Stored Cross-Site Scripting (XSS) vulnerability that affects the group name parameter of the "http://localhost/poller/groups" form. This allows attackers to inject malicious scripts into web pages viewed by other users.

Recommendations: For versions prior to 25.5.0, update to version 25.5.0 or later to resolve the issue. As a temporary workaround, consider restricting access to the "http://localhost/poller/groups" form until the update is applied. Avoid using the group name parameter in the affected form until the issue is resolved.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2025-47931

GHSA-HXW5-9CC5-CMW5

Affected Products

Librenms

References · 15

• 🔥 https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/47xxx/CVE-2025-47931.json · Exploit
• https://github.com/librenms/librenms/pull/17603 · Patch
• https://github.com/librenms/librenms/commit/88fe1a7abdb500d9a2d4c45f9872df54c9ff8062 · Patch
• https://github.com/librenms/librenms/security/advisories/GHSA-hxw5-9cc5-cmw5 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2025-47931 · Security Note
• https://osv.dev/vulnerability/CVE-2025-47931 · Vendor Advisory
• https://osv.dev/vulnerability/GHSA-hxw5-9cc5-cmw5 · Vendor Advisory
• https://github.com/librenms/librenms · Note
• https://github.com/librenms/librenms/blob/25.4.0/includes/html/pages/addhost.inc.php#L284 · Note
• https://t.me/cvetracker/24104 · Telegram Post
• https://twitter.com/VulmonFeeds/status/1923778218965819755 · Twitter Post
• https://t.me/cvenotify/122773 · Telegram Post
• https://twitter.com/CVEnew/status/1923805555250036974 · Twitter Post
• https://twitter.com/dailycve/status/1927731823699808737 · Twitter Post
• https://t.me/cvenotify/123827 · Telegram Post