---
id: CVE-2026-68583
title: >-
  luci-app-adblock-fast before 1.2.4-4 contains a stored cross-site scripting
  vulnerability in the blocklist name field that allows lower-privileged users
  to inject active HTML
summary: >-
  luci-app-adblock-fast before 1.2.4-4 contains a stored cross-site scripting
  vulnerability in the blocklist name field that allows lower-privileged users
  to inject active HTML. When an administrator views the AdBlock Fast status
  page, the…
severity: medium
cvss: 5.4
cvssVector: 'CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N'
cwe:
  - CWE-79
published: '2026-08-02'
updated: '2026-09-09'
sourceUpdated: '2026-09-09T20:35:08.537'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2026-68583'
references:
  - url: 'https://github.com/openwrt/luci/security/advisories/GHSA-q335-4c83-c88h'
    label: disclosure@vulncheck.com
  - url: >-
      https://www.vulncheck.com/advisories/luci-app-adblock-fast-before-4-stored-xss-via-file-url-name
    label: disclosure@vulncheck.com
  - url: 'https://github.com/openwrt/luci/security/advisories/GHSA-q335-4c83-c88h'
    label: 134c704f-9b21-4f2e-91b3-4a467353bcc0
tags:
  - nvd
epss: 0.00235
epssPercentile: 0.128
ingestedAt: '2026-08-02T13:18:30.177Z'
---

## Overview

luci-app-adblock-fast before 1.2.4-4 contains a stored cross-site scripting vulnerability in the blocklist name field that allows lower-privileged users to inject active HTML. When an administrator views the AdBlock Fast status page, the injected payload executes in the administrator's browser under the LuCI origin.

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.