CVE-2026-71275 OpenBK7231T - Reflected XSS via OTA host Parameter
Reflected XSS in OpenBK7231T allows attackers to execute arbitrary JavaScript in an admin's browser via a crafted OTA URL.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2026-71275?
CVE-2026-71275 is a medium-severity cross-site scripting vulnerability in openshwprojects OpenBK7231T_App, published on 5 Aug 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
OpenBK7231T's http_fn_ota_exec() (src/httpserver/http_fns.c) reflects the `host` query parameter directly into an HTML response via hprintf255(request, "<h3>OTA requested for %s!</h3>", tmpA) with no HTML encoding, allowing a crafted URL such as /ota_exec?host=<script>alert(1)</script> to execute JavaScript in an authenticated admin's browser when they click a malicious link.
Weakness: CWE-79
Which versions are affected by CVE-2026-71275?
How do I fix CVE-2026-71275?
No fix has been published for CVE-2026-71275 yet. Limit exposure of the affected software until one is available.
Escape output for the context it lands in and set a strict Content Security Policy. Upgrading the affected component is the real fix. More about Cross-site scripting.
Is CVE-2026-71275 being exploited?
There is no known exploitation of CVE-2026-71275 in the wild and no public exploit code.
Sources
Also known as GHSA-2qcv-j8w9-9r25.