Medium severity · published Aug 2, 2026
CVE-2026-68583
luci-app-adblock-fast before 1.2.4-4 Stored XSS via file_url.name
5.4
CVSS
0.2%
EPSS
No
On KEV
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.
CVSS vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Attack vector
Network
Complexity
Low
Privileges
Low
User interaction
Required
Confidentiality
Low
Integrity
Low
Availability
None
Scope
Changed
Exploitation
Is it being used?
Exploit prediction (EPSS)0.2% · higher than 14% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LU
luci · openwrt
before 1.2.4-4 · source: vendor
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2026-68583
CVE.org
https://www.cve.org/CVERecord?id=CVE-2026-68583
github.com
https://github.com/openwrt/luci/security/advisories/GHSA-q335-4c83-c88h
www.vulncheck.com
https://www.vulncheck.com/advisories/luci-app-adblock-fast-before-4-stored-xss-via-file-url-name
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