What is CVE-2026-32721?

CVE-2026-32721 is a high-severity vulnerability in Openwrt Luci, classified under Cross-site Scripting. CVSS score: 8.6/10. Published 2026-03-19.

How severe is CVE-2026-32721?

High severity. CVSS v3 base score is 8.6 out of 10.

XSS in Openwrt Luci

CVE-2026-32721

LuCI is the OpenWrt Configuration Interface. Versions prior to both 24.10.5 and 25.12.0, contain a stored XSS vulnerability in the wireless scan modal, where SSID values from scan results are rendered as raw HTML without any sanitization…

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.000 (0.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.6 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H.

Affected products

Openwrt Luci — versions < 26.072.65753~068150b
Openwrt — versions < 24.10.6, >= 25.12.0, < 25.12.1

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

https://github.com/openwrt/luci/security/advisories/GHSA-vvj6-7362-pjrw (x_refsource_CONFIRM)
https://github.com/openwrt/luci/commit/068150ba5f524ef6b03817b258d31ec310053fd6 (x_refsource_MISC)
https://github.com/openwrt/luci/commit/cdce600aaec66f762f18d608c74cbf3abcafe1c7 (x_refsource_MISC)

Frequently asked questions

What is CVE-2026-32721?: CVE-2026-32721 is a high-severity vulnerability in Openwrt Luci, classified under Cross-site Scripting. CVSS score: 8.6/10. Published 2026-03-19.
How severe is CVE-2026-32721?: High severity. CVSS v3 base score is 8.6 out of 10.