Vulnerability Description
Pi-hole's Web interface provides a central location to manage a Pi-hole instance and review performance statistics. Prior to Pi-hole Web interface version 5.5.1, the function to add domains to blocklists or allowlists is vulnerable to a stored cross-site-scripting vulnerability. User input added as a wildcard domain to a blocklist or allowlist is unfiltered in the web interface. Since the payload is stored permanently as a wildcard domain, this is a persistent XSS vulnerability. A remote attacker can therefore attack administrative user accounts through client-side attacks. Pi-hole Web Interface version 5.5.1 contains a patch for this vulnerability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Pi-Hole | Pi-Hole | < 5.5.1 |
Related Weaknesses (CWE)
References
- https://github.com/pi-hole/AdminLTE/releases/tag/v5.5.1Release NotesThird Party Advisory
- https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-g3w6-q4fg-p8x8ExploitThird Party Advisory
- https://github.com/pi-hole/AdminLTE/releases/tag/v5.5.1Release NotesThird Party Advisory
- https://github.com/pi-hole/AdminLTE/security/advisories/GHSA-g3w6-q4fg-p8x8ExploitThird Party Advisory
FAQ
What is CVE-2021-32793?
CVE-2021-32793 is a vulnerability with a CVSS score of 5.7 (MEDIUM). Pi-hole's Web interface provides a central location to manage a Pi-hole instance and review performance statistics. Prior to Pi-hole Web interface version 5.5.1, the function to add domains to blockli...
How severe is CVE-2021-32793?
CVE-2021-32793 has been rated MEDIUM with a CVSS base score of 5.7/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-32793?
Check the references section above for vendor advisories and patch information. Affected products include: Pi-Hole Pi-Hole.