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)

Published · last modified .

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.

EPSS exploit prediction

EPSS: 0.003 (20.6th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 21st percentile — 20.6% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2026-71274: held from 0.003 to 0.003.

EPSS over last 30 days · oldest: 0.003 · newest: 0.003 · change: 0.000

Affected products

Weakness classification (CWE)

References

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.