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TI-2020-18096 Aliases CVE-2020-35592GHSA-722q-8x49-8j55

Pi-hole 5.0, 5.1, and 5.1.1 allows XSS via the Options header to the admin/ URI.

Priority LOW 26CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

Pi-hole 5.0, 5.1, and 5.1.1 allows XSS via the Options header to the admin/ URI. A remote user is able to inject arbitrary web script or HTML due to incorrect sanitization of user-supplied data and achieve a Reflected Cross-Site Scripting attack against other users and steal the session cookie.

Why it matters now

EPSS 0.00857 58th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 3

CPEVersionsRoleVendor
cpe:2.3:a:pi-hole:pi-hole:5.0:*:*:*:*:*:*:*5.0VulnerablePi-hole
cpe:2.3:a:pi-hole:pi-hole:5.1:*:*:*:*:*:*:*5.1VulnerablePi-hole
cpe:2.3:a:pi-hole:pi-hole:5.1.1:*:*:*:*:*:*:*5.1.1VulnerablePi-hole
  • cpe:2.3:a:pi-hole:pi-hole:5.0:*:*:*:*:*:*:* Versions 5.0 Vulnerable ·Pi-hole
  • cpe:2.3:a:pi-hole:pi-hole:5.1:*:*:*:*:*:*:* Versions 5.1 Vulnerable ·Pi-hole
  • cpe:2.3:a:pi-hole:pi-hole:5.1.1:*:*:*:*:*:*:* Versions 5.1.1 Vulnerable ·Pi-hole

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2020-35592
  2. 2026-10-03 Alias added: GHSA-722q-8x49-8j55

References

Exploit 1

Advisory 1

  • TI-2020-07073 Pi-hole Web v4.3.2 (aka AdminLTE) allows Remote Code Execution by privileged dashboard… KEVCVSS 3.1HIGH 7.2
  • TI-2020-08981 The Gravity updater in Pi-hole through 4.4 allows an authenticated adversary to upload… CVSS 3.1HIGH 8.8
  • TI-2026-36901 Pi-hole: Local privilege escalation from `pihole` user to root via `/etc/pihole/logrotate` CVSS 3.1HIGH 8.8
  • TI-2024-22701 Pi-hole Blind Server-Side Request Forgery (SSRF) vulnerability can lead to Remote Code Execution (RCE) CVSS 3.1HIGH 8.8
  • TI-2021-12374 (Authenticated) Remote Code Execution Possible in Web Interface 5.5 CVSS 3.1HIGH 8.8
  • TI-2024-18806 Pihole Authenticated Arbitrary File Read with root privileges CVSS 3.1HIGH 7.6
See all 18 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences