CVE-2025-8535 cronoh NanoVault xrb URL main.js executeJavaScript cross site scripting
Remote attackers can execute arbitrary JavaScript in the NanoVault desktop wallet via the xrb URL handler, potentially compromising user funds.
- 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-2025-8535?
CVE-2025-8535 is a medium-severity cross-site scripting vulnerability in cronoh NanoVault, published on 5 Aug 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 vulnerability, which was classified as problematic, has been found in cronoh NanoVault up to 1.2.1. This issue affects the function executeJavaScript of the file /main.js of the component xrb URL Handler. The manipulation leads to cross site scripting. The attack may be initiated remotely. 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.
Which versions are affected by CVE-2025-8535?
It affects 1 product.
Products include Metaclinic Nanovault.
How do I fix CVE-2025-8535?
No fix has been published for CVE-2025-8535 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-2025-8535 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8535 exists.
Sources
Also known as GHSA-c3vg-2hq4-9phg.