PT-2021-23150 · Pi-Hole · Pi-Hole

Robert Punnett + 1 · Published 2021-10-26 · Updated 2021-10-28 · CVE-2021-41175

Positive Technologies (AI Summary)

CVSS v3.1

7.3

High

Base vector

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

Name of the Vulnerable Software and Affected Versions Pi-hole versions prior to 5.8

Description The issue affects Pi-hole's Web interface, which is based on AdminLTE, allowing for cross-site scripting when adding a client via the groups-clients management page. This issue was patched in version 5.8.

Recommendations For versions prior to 5.8, update to version 5.8 to resolve the issue. As a temporary workaround, consider restricting access to the groups-clients management page until the update is applied.

Exploit

Fix

XSS

Weakness Enumeration

CWE-79

Related Identifiers

CVE-2021-41175

GHSA-MHR8-7RVG-8R43

Affected Products

Pi-Hole

References · 7

• 🔥 https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-mhr8-7rvg-8r43 · Exploit
• https://github.com/pi-hole/AdminLTE/commit/01191c7a1b8d5032991ed9d88e0db8d3dbec744d · Patch
• https://osv.dev/vulnerability/CVE-2021-41175 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2021-41175 · Security Note
• https://github.com/pi-hole/AdminLTE/releases/tag/v5.8 · Note
• https://t.me/cibsecurity/31225 · Telegram Post
• https://t.me/cvenotify/22608 · Telegram Post