CVE-2025-70515 Cross-site scripting in n/a

Medium 6.1 Published Updated

Attackers can inject malicious JavaScript into the device log component, potentially compromising users viewing the logs in a browser.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
A user has to click or open something
Fix
None listed

What is CVE-2025-70515?

CVE-2025-70515 is a medium-severity cross-site scripting vulnerability in n/a, published on 7 Oct 2026. An attacker can exploit it over the internet without logging in, and only if a user opens a file or follows a link.

Official description

The device log component of Fanvil x7a firmware version 2.6.0.1182 does not properly sanitize or encode reflected user supplied data. The lack of sanitization allows for the injection of HTML which can be used to execute malicious JavaScript code on any target browser which renders the device log component.

Weakness: CWE-79

Which versions are affected by CVE-2025-70515?

How do I fix CVE-2025-70515?

No fix has been published for CVE-2025-70515 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-2025-70515 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-70515 exists.

Sources

Also known as GHSA-rv7g-8hm9-h22g.

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