CVE-2026-68583

Medium

Description

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.

SeverityMedium

CVSS5.4

Exploit probability—

ProductOpenwrt Luci

PublishedAug 2, 2026

First seenAug 2, 2026

Weakness typeCWE-79Cross-site scripting (XSS)

How to fix

Update

openwrt luci1.2.4-4 or later

Vendor advisories

github.com/openwrt/luci/security/advisories/GHSA-q335-4c83-c88h

Affected products

Product	Affected versions	Fixed in
openwrt luci	v < 1.2.4-4	1.2.4-4

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