Pi Hole
CVE-2021-29448
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
Lifecycle Timeline
1DescriptionNVD
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.
AnalysisAI
Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. Rated high severity (CVSS 8.8), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Cross-Site Scripting (XSS) (CWE-79), which allows attackers to inject malicious scripts into web pages viewed by other users. 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. Affected products include: Pi-Hole Ftldns, Pi-Hole, Pi-Hole Web Interface.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Sanitize all user input, use Content-Security-Policy headers, encode output contextually (HTML, JS, URL). Use frameworks with built-in XSS protection.
Pi-hole versions up to 3.3 contain an authenticated command injection via the domain allowlist functionality. When addin
The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload arbitrary files. Rated high sever
Pi-hole is a Linux network-level advertisement and Internet tracker blocking application. Rated medium severity (CVSS 6.
Pi-hole Web v4.3.2 (aka AdminLTE) allows Remote Code Execution by privileged dashboard users via a crafted DHCP static l
Pi-hole is a DNS sinkhole that protects devices from unwanted content without installing any client-side software. Rated
Pi-hole®'s Web interface (based off of AdminLTE) provides a central location to manage your Pi-hole. Rated high severity
Pi-hole's Web interface provides a central location to manage a Pi-hole instance and review performance statistics. Rate
An issue was discovered in Pi-Hole through 5.0. Rated high severity (CVSS 7.8), this vulnerability is low attack complex
Pi-hole 4.4 allows a user able to write to /etc/pihole/dns-servers.conf to escalate privileges through command injection
Pi-hole before 6 allows unauthenticated admin/api.php?setTempUnit= calls to change the temperature units of the web dash
adminlte is vulnerable to Sensitive Cookie Without 'HttpOnly' Flag. Rated high severity (CVSS 7.5), this vulnerability i
The Pi-hole is a DNS sinkhole that protects your devices from unwanted content without installing any client-side softwa
Same weakness CWE-79 – Cross-site Scripting (XSS)
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External POC / Exploit Code
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