CVE-2021-41175

Name: CVE-2021-41175
Creator: NVD / NIST
Published: 2021-10-26T14:15:08.193+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.87%

Last modified Jun 17, 2026

CVE-2021-41175 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. Pi-hole's Web interface (based on AdminLTE) provides a central location to manage one's Pi-hole and review the statistics generated by FTLDNS. Prior to version 5.8, cross-site scripting is possible when adding a client via the groups-clients management page. EPSS estimates a 0.87% chance of exploitation in the next 30 days.

Description

Pi-hole's Web interface (based on AdminLTE) provides a central location to manage one's Pi-hole and review the statistics generated by FTLDNS. Prior to version 5.8, cross-site scripting is possible when adding a client via the groups-clients management page. This issue was patched in version 5.8.

Metrics

CVSS 3.1

5.4/10

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

EPSS Probability

0.87%

54.2th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
Pi-Hole	Web Interface	< 5.8

References

https://github.com/pi-hole/AdminLTE/commit/01191c7a1b8d5032991ed9d88e0db8d3dbec744dPatch, Third Party Advisory
https://github.com/pi-hole/AdminLTE/releases/tag/v5.8Release Notes, Third Party Advisory
https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-mhr8-7rvg-8r43Exploit, Third Party Advisory
https://github.com/pi-hole/AdminLTE/commit/01191c7a1b8d5032991ed9d88e0db8d3dbec744dPatch, Third Party Advisory
https://github.com/pi-hole/AdminLTE/releases/tag/v5.8Release Notes, Third Party Advisory
https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-mhr8-7rvg-8r43Exploit, Third Party Advisory

Timeline

Published: Oct 26, 2021
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-41175?

How severe is CVE-2021-41175?

CVE-2021-41175 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.87% probability of exploitation in the next 30 days.

How do I fix CVE-2021-41175?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-41175?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST