CVE-2025-57389 Cross-site scripting in n/a
Attackers can execute arbitrary JavaScript in the browser of an authenticated admin user via a crafted payload in the OpenWRT web interface.
- 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-2025-57389?
CVE-2025-57389 is a medium-severity cross-site scripting vulnerability in n/a, published on 1 Oct 2025. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
A reflected cross-site scripting (XSS) vulnerability in the /admin/system/packages endpoint of Luci OpenWRT v18.06.2 allows attackers to execute arbitrary Javascript in the context of a user's browser via a crafted payload. This vulnerability was fixed in OpenWRT v19.07.0.
Weakness: CWE-79
Which versions are affected by CVE-2025-57389?
How do I fix CVE-2025-57389?
No fix has been published for CVE-2025-57389 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-2025-57389 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-57389 exists.
Public exploit code: 1 proofs of concept on GitHub.
Sources
Also known as GHSA-387q-r347-qf62.