CVE-2025-7891 Missing authorization in Web Video Cast App
Local attackers can bypass security controls due to improperly exported Android components in the Web Video Cast app.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Local or same network only
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-7891?
CVE-2025-7891 is a medium-severity missing authorization vulnerability in InstantBits Web Video Cast App, published on 20 Jul 2025. It can only be exploited from the same machine or local network, with no action from the victim.
Official description
A vulnerability was found in InstantBits Web Video Cast App up to 5.12.4 on Android. It has been rated as problematic. Affected by this issue is some unknown functionality of the file AndroidManifest.xml of the component com.instantbits.cast.webvideo. The manipulation leads to improper export of android application components. An attack has to be approached locally. The exploit has been disclosed to the public and may be used. The vendor was contacted early about this disclosure but did not respond in any way.
Weakness: CWE-926
Which versions are affected by CVE-2025-7891?
It affects 1 product.
Products include Instantbits Web Video Cast.
How do I fix CVE-2025-7891?
No fix has been published for CVE-2025-7891 yet. Limit exposure of the affected software until one is available.
Upgrade, and check permissions on every request on the server, not only in the interface. More about Missing authorization.
Is CVE-2025-7891 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-7891 exists.
Sources
Also known as GHSA-2m27-4f25-w53w.