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CVE-2024-47528

LibreNMS Contains a Stored XSS via File Upload

4.6 MediumFix available

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. Stored Cross-Site Scripting (XSS) can be achieved by uploading a new Background for a Custom Map. Users with "admin" role can set background for a custom map, this allow the upload of SVG file that can contain XSS payload which will trigger on load. This led to Stored Cross-Site Scripting (XSS). The vulnerability is fixed in 24.9.0.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
High
User interaction
Active

What an attacker can affect

Confidentiality
None
Integrity
None
Availability
None

Exploit likelihood

0.41%Up 0.4 points since Oct 2, 2024
90%50%10%1%

What each source reports

CVE List Score used 4.6

LibreNMS Contains a Stored XSS via File Upload

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. Stored Cross-Site Scripting (XSS) can be achieved by uploading a new Background for a Custom Map. Users with "admin" role can set background for a custom map, this allow the upload of SVG file that can contain XSS payload which will trigger on load. This led to Stored Cross-Site Scripting (XSS). The vulnerability is fixed in 24.9.0.

Record
CVE-2024-47528
CVSS 4.0
4.6 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Weakness
CWE-116, CWE-434, CWE-79
Updated
2026-11-02
EUVDEUVD-2024-3164 4.6

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. Stored Cross-Site Scripting (XSS) can be achieved by uploading a new Background for a Custom Map. Users with "admin" role can set background for a custom map, this allow the upload of SVG file that can contain XSS payload which will trigger on load. This led to Stored Cross-Site Scripting (XSS). The vulnerability is fixed in 24.9.0.

Record
EUVD-2024-3164
CVSS 4.0
4.6 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Updated
2026-11-03
GitHub AdvisoriesGHSA-x8gm-j36p-fppf 1.8

LibreNMS vulnerable to Stored Cross-site Scripting via File Upload

Summary

Stored Cross-Site Scripting (XSS) can archive via Uploading a new Background for a Custom Map.

Details

Users with "admin" role can set background for a custom map, this allow the upload of SVG file that can contain XSS payload which will trigger onload. This led to Stored Cross-Site Scripting (XSS).

PoC

  1. Login using an Admin role account.

  2. Go over to "$URL/maps/custom", the Manage Custom Maps.

  3. Create a new map then choose to edit it.

  4. Choose the "Set Background" option.

  5. Choose to upload a SVG file that have this content.

<svg xmlns="http://www.w3.org/2000/svg" onload="alert(document.domain)">
  <circle cx="50" cy="50" r="40" />
</svg>

  1. Once uploaded, there should be a link to the SVG return in the POST request to the API "$URL/maps/custom/1/background".

  2. Go over to that link on browser, should see a pop-up.

Impact

Attacker can use this to perform malicious java script code for malicious intent. This would impact other Admin role users and the Global Read role users. Normal users does not have permission to read the file, so they are not affected.

Record
GHSA-x8gm-j36p-fppf
CVSS 4.0
1.8 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P
CVSS 3.1
4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79, CWE-116, CWE-434
Updated
2026-11-02
NVD 4.6

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. Stored Cross-Site Scripting (XSS) can be achieved by uploading a new Background for a Custom Map. Users with "admin" role can set background for a custom map, this allow the upload of SVG file that can contain XSS payload which will trigger on load. This led to Stored Cross-Site Scripting (XSS). The vulnerability is fixed in 24.9.0.

Record
CVE-2024-47528
CVSS 4.0
4.6 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:X/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
4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-79, CWE-116, CWE-434
Updated
2026-11-02
OSV 4.6

LibreNMS Contains a Stored XSS via File Upload

LibreNMS is an open-source, PHP/MySQL/SNMP-based network monitoring system. Stored Cross-Site Scripting (XSS) can be achieved by uploading a new Background for a Custom Map. Users with "admin" role can set background for a custom map, this allow the upload of SVG file that can contain XSS payload which will trigger on load. This led to Stored Cross-Site Scripting (XSS). The vulnerability is fixed in 24.9.0.

Record
CVE-2024-47528
CVSS 4.0
4.6 MediumCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N
Weakness
CWE-116, CWE-434, CWE-79
Updated
2026-11-02
OSVGHSA-x8gm-j36p-fppf 1.8

LibreNMS vulnerable to Stored Cross-site Scripting via File Upload

Summary

Stored Cross-Site Scripting (XSS) can archive via Uploading a new Background for a Custom Map.

Details

Users with "admin" role can set background for a custom map, this allow the upload of SVG file that can contain XSS payload which will trigger onload. This led to Stored Cross-Site Scripting (XSS).

PoC

  1. Login using an Admin role account.

  2. Go over to "$URL/maps/custom", the Manage Custom Maps.

  3. Create a new map then choose to edit it.

  4. Choose the "Set Background" option.

  5. Choose to upload a SVG file that have this content.

<svg xmlns="http://www.w3.org/2000/svg" onload="alert(document.domain)">
  <circle cx="50" cy="50" r="40" />
</svg>

  1. Once uploaded, there should be a link to the SVG return in the POST request to the API "$URL/maps/custom/1/background".

  2. Go over to that link on browser, should see a pop-up.

Impact

Attacker can use this to perform malicious java script code for malicious intent. This would impact other Admin role users and the Global Read role users. Normal users does not have permission to read the file, so they are not affected.

Record
GHSA-x8gm-j36p-fppf
CVSS 4.0
1.8 LowCVSS:4.0/AV:N/AC:L/AT:N/PR:H/UI:A/VC:N/VI:N/VA:N/SC:L/SI:L/SA:N/E:P
CVSS 3.1
4.8 MediumCVSS:3.1/AV:N/AC:L/PR:H/UI:R/S:C/C:L/I:L/A:N
Weakness
CWE-116, CWE-434, CWE-79
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
librenms/librenms
Packagist
 before 24.9.0
24.9.0
librenms/librenms
Packagist
 before 24.9.0, plus listed versions
1.191.201.20.11.211.22
Show 45 moreShow less
1.22.011.231.241.251.261.271.281.291.301.30.011.311.31.011.31.021.31.031.321.32.011.331.33.011.341.351.361.36.011.371.381.391.401.411.421.42.011.431.441.451.461.471.481.48.11.491.501.50.11.511.521.531.53.11.541.55
24.9.0

History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2024-47528 is a medium vulnerability (CVSS 4.6) in Librenms, published October 1, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.41%, the 35th percentile. Fixed in librenms/librenms 24.9.0.

References

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