CVE-2026-71274

HIGH

OpenBK7231T Stored XSS via Unsanitized MQTT-Set Channel Labels

Title source: cna
STIX 2.1

Description

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.

References (1)

Core 1
Core References

Scores

CVSS v3 8.5
EPSS 0.0017
EPSS Percentile 7.0%
Attack Vector ADJACENT_NETWORK
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-79
Status published
Products (1)
openshwprojects/OpenBK7231T_App
Published Aug 05, 2026
Tracked Since Aug 05, 2026