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Vulnerability record · CVE-2026-71274 · published 5 August 2026

CVE-2026-71274: Cross-site scripting vulnerability

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.

8.5 CVSS 3.1 High EPSS 0.28% · top 81.6% CWE-79 · Cross-site scripting Deferred
8.5CVSS 3.1 base score
0.28%EPSS exploitation probability, 30 days
NoNot in CISA KEV
0Affected product versions listed by NVD
1References
26 Aug 2026Last modified by NVD

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.

CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N

References

LinkTags
https://github.com/openshwprojects/OpenBK7231T_App

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Source: NIST National Vulnerability Database (record CVE-2026-71274), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.