CVE-2021-29448

HIGH

Pi-hole Admin Portal - Stored Cross-Site Scripting

Title source: llm
STIX 2.1

Description

Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. The Stored XSS exists in the Pi-hole Admin portal, which can be exploited by the malicious actor with the network access to DNS server. See the referenced GitHub security advisory for patch details.

References (1)

Core 1
Core References
Exploit, Third Party Advisory x_refsource_confirm
https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9

Scores

CVSS v3 7.6
EPSS 0.0067
EPSS Percentile 47.5%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

Details

CWE
CWE-79
Status published
Products (3)
pi-hole/ftldns 5.7
pi-hole/pi-hole 5.2.4
pi-hole/web_interface < 5.5
Published Apr 15, 2021
Tracked Since Feb 18, 2026