Vulnerability Database

309,136

Total vulnerabilities in the database

CVE-2021-29448

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.

  • Published: Apr 15, 2021
  • Updated: Nov 16, 2025
  • CVE: CVE-2021-29448
  • Severity: High
  • Exploit:

CVSS v3:

  • Severity: High
  • Score: 7.6
  • AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:H

CVSS v2:

  • Severity: Medium
  • Score: 5.8
  • AV:N/AC:M/Au:N/C:N/I:P/A:P

CWEs:

OWASP TOP 10:

Software From Fixed in
pi-hole / ftldns 5.7 5.7.x
pi-hole / pi-hole 5.2.4 5.2.4.x
pi-hole / web_interface - 5.5