XSS in Openwrt Luci

CVE-2021-27821

The Web Interface for OpenWRT LuCI version 19.07 and lower has been discovered to have a cross-site scripting vulnerability.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (44.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N.

Affected products

Openwrt Luci
N/a — versions n/a

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

af854a3a-2127-422b-91ae-364da2661108 (x_refsource_MISC, Vendor Advisory)
af854a3a-2127-422b-91ae-364da2661108 (x_refsource_MISC, Broken Link)
cve@mitre.org
cve@mitre.org

Frequently asked questions

What is CVE-2021-27821?: CVE-2021-27821 is a medium-severity vulnerability in Openwrt Luci, classified under Cross-site Scripting. CVSS score: 6.1/10. Published 2021-05-25.
How severe is CVE-2021-27821?: Medium severity. CVSS v3 base score is 6.1 out of 10.