XSS in Pi-hole Web
CVE-2026-26953
Pi-hole Admin Interface is a web interface for managing Pi-hole, a network-level ad and internet tracker blocking application. Versions 6.0 and above have a Stored HTML Injection vulnerability in the active sessions table located on the A…
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
EPSS: 0.003 (21.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L.
Affected products
- Pi-hole Web — versions < 6.4.1
- Pi-hole Web_interface
Weakness classification (CWE)
References
- security-advisories@github.com (x_refsource_CONFIRM, Exploit, Vendor Advisory)
- security-advisories@github.com (Patch, x_refsource_MISC)
- security-advisories@github.com (x_refsource_MISC, Release Notes)
Frequently asked questions
- What is CVE-2026-26953?
- CVE-2026-26953 is a medium-severity vulnerability in Pi-hole Web, classified under Improper Input Validation. CVSS score: 5.4/10. Published 2026-02-19.
- How severe is CVE-2026-26953?
- Medium severity. CVSS v3 base score is 5.4 out of 10.