What is CVE-2026-71274?

CVE-2026-71274 is a high-severity vulnerability in Openshwprojects Openbk7231t App, classified under Cross-site Scripting. CVSS score: 8.5/10. Published 2026-08-05.

How severe is CVE-2026-71274?

High severity. CVSS v3 base score is 8.5 out of 10.

XSS in Openshwprojects Openbk7231t App

CVE-2026-71274

OpenBK7231T's CHANNEL_SetLabel (src/cmnds/cmd_channels.c) stores channel labels received via the MQTT SetChannelLabel command using strdup with no HTML sanitization. CHANNEL_GetLabel returns these labels unsanitized, and they are rendered via hprintf255 at 15+ locations in src/httpserver/http_fns.c with no HTML encoding.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.002 (7.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 8.5 (High). Vector: CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N.

Affected products

Openshwprojects Openbk7231t_app — versions 0

Weakness classification (CWE)

CWE-79 — Cross-site Scripting

References

309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c (third-party-advisory)

Frequently asked questions

What is CVE-2026-71274?: CVE-2026-71274 is a high-severity vulnerability in Openshwprojects Openbk7231t App, classified under Cross-site Scripting. CVSS score: 8.5/10. Published 2026-08-05.
How severe is CVE-2026-71274?: High severity. CVSS v3 base score is 8.5 out of 10.