CVE-2026-71274CWE-79cross-site-scripting

CVE-2026-71274

High · published August 5, 2026

CVSS v3.1
8.5
EPSS
0%
Percentile
19.5
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
8.5 · HIGH
Vector
CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
Not supplied
EPSS
0.00281 · 19.5th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-08-05T17:24Z
References (1)
https://github.com/openshwprojects/OpenBK7231T_App · 309f9ea4-e3e9-4c6c-b79d-e8eb01244f2c
EPSS history
Timeline
  • 05 AUG 12:26Z
    OpenBK7231T Stored XSS via Unsanitized MQTT-Set Channel Labels
    cvelistv5