CVE-2021-29448

Stored DOM XSS in Pi-hole Admin Web Interface

Severity Score

8.8

*CVSS v3.1

Exploit Likelihood

*EPSS

Affected Versions

*CPE

Public Exploits

*Multiple Sources

Exploited in Wild

*KEV

Decision

*SSVC

Descriptions

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.

Pi-hole es una aplicación de bloqueo de anuncios y rastreadores de Internet a nivel de red de Linux. El ataque XSS Almacenado se presenta en el portal de Administración de Pi-hole, que puede ser explotado por el actor malicioso con acceso de red al servidor DNS. Consulte el aviso de seguridad de GitHub al que se hace referencia para los detalles del parche

*Credits: N/A

CVSS Scores

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Changed

Confidentiality

Low

Integrity

Low

Availability

High

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

Required

Scope

Unchanged

Confidentiality

Low

Integrity

Low

Availability

High

Attack Vector

Network

Attack Complexity

Medium

Authentication

None

Confidentiality

None

Integrity

Partial

Availability

Partial

* Common Vulnerability Scoring System

SSVC

Decision:-

Exploitation

Automatable

Tech. Impact

* Organization's Worst-case Scenario

Timeline

2021-03-30 CVE Reserved
2021-04-15 CVE Published
2024-08-03 CVE Updated
2024-08-03 First Exploit
2024-12-31 EPSS Updated
---------- Exploited in Wild
---------- KEV Due Date

CWE

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

CAPEC

References (1)

URL	Tag	Source

URL	Date	SRC
https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-cwwf-93p7-73j9	2024-08-03

URL	Date	SRC

URL	Date	SRC

Affected Vendors, Products, and Versions

Vendor		Product				Version		Other		Status
Vendor	Product	Version	Other	Status	<-- -->	Vendor	Product	Version	Other	Status
Pi-hole Search vendor "Pi-hole"		Ftldns Search vendor "Pi-hole" for product "Ftldns"				5.7 Search vendor "Pi-hole" for product "Ftldns" and version "5.7"		-		Affected
Pi-hole Search vendor "Pi-hole"		Pi-hole Search vendor "Pi-hole" for product "Pi-hole"				5.2.4 Search vendor "Pi-hole" for product "Pi-hole" and version "5.2.4"		-		Affected
Pi-hole Search vendor "Pi-hole"		Web Interface Search vendor "Pi-hole" for product "Web Interface"				< 5.5 Search vendor "Pi-hole" for product "Web Interface" and version " < 5.5"		-		Affected