CVE-2026-71274 json
OpenBK7231T Stored XSS via Unsanitized MQTT-Set Channel Labels
published 2026-08-05 3 mo ago modified 2026-10-24 15 d ago also EUVD-2026-53359
- cvss
- 8.5
- version 3.1, CNA
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 0.3%
- EPSS 0.3% chance of exploitation in 30 days, percentile 20%
- public exploits
- 0
- none known
Summary
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.
CISA SSVC
- Exploitation
- none
- Automatable
- no
- Technical impact
- total
- Assessed
- 3 mo ago
Exploit prediction
0.28% chance of exploitation in the next 30 days, higher than 20% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| CNA | 3.1 | 8.5 | CVSS:3.1/AV:A/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:N |
Affected products
- openshwprojects OpenBK7231T_App
Classification
- Weakness
-
- CWE-79 Improper Neutralization of Input During Web Page Generation
References
-
github.com
/openshwprojects/OpenBK7231T_App
third-party-advisory
Sources
- CVE List CVE-2026-71274
- NVD CVE-2026-71274
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.