What is the CVSS score of CVE-2025-65013?

CVE-2025-65013 has a CVSS 3.1 base score of 6.2 (Medium). CVSS vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N. EPSS exploitation probability: 0.0%.

Which versions of PHP are affected by CVE-2025-65013?

Organizations using LibreNMS should be aware of moderate risk from CVE-2025-65013, a cross-site scripting vulnerability rated CVSS 6.2.. A patch is available.

How to fix or mitigate CVE-2025-65013?

Within 30 days: Identify affected systems and apply vendor patches as part of regular patch cycle. Verify Content-Security-Policy and output encoding.

PHP CVE-2025-65013

MEDIUM

Cross-site Scripting (XSS) (CWE-79)

2025-11-18 security-advisories@github.com

PHP XSS Librenms

6.2

CVSS 3.1 · GitHub Advisory

Severity by source

GitHub Advisory PRIMARY

6.2 MEDIUM

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

Primary rating from GitHub Advisory · only source for this CVE.

CVSS VectorGitHub Advisory

CVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:H/I:N/A:N

Attack Vector

Network

Attack Complexity

Low

Privileges Required

High

User Interaction

Required

Scope

Changed

Confidentiality

High

Integrity

None

Availability

None

Lifecycle Timeline

Patch released

Mar 31, 2026 - 21:13 nvd

Patch available

Analysis Generated

Mar 28, 2026 - 19:22 vuln.today

CVE Published

Nov 18, 2025 - 23:15 nvd

MEDIUM 6.2

DescriptionGitHub Advisory

LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Prior to version 25.11.0, a reflected cross-site scripting (XSS) vulnerability was identified in the LibreNMS application at the /maps/nodeimage endpoint. The Image Name parameter is reflected in the HTTP response without proper output encoding or sanitization, allowing an attacker to craft a URL that, when visited by a victim, causes arbitrary JavaScript execution in the victim’s browser. This issue has been patched in version 25.11.0.

AnalysisAI

LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Rated medium severity (CVSS 6.2), this vulnerability is remotely exploitable, low attack complexity. No vendor patch available.

Technical ContextAI

This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. LibreNMS is an auto-discovering PHP/MySQL/SNMP based network monitoring tool. Prior to version 25.11.0, a reflected cross-site scripting (XSS) vulnerability was identified in the LibreNMS application at the /maps/nodeimage endpoint. The Image Name parameter is reflected in the HTTP response without proper output encoding or sanitization, allowing an attacker to craft a URL that, when visited by a victim, causes arbitrary JavaScript execution in the victim’s browser. This issue has been patched in version 25.11.0. Affected products include: Librenms. Version information: version 25.11.0.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.