CVE-2025-7746 Cross-site scripting in ATS490 Altivar Soft Starter

Medium 5.3 Published Updated

Cross-site scripting in Schneider Electric Altivar drives allows attackers to modify or read data in a victim's 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-2025-7746?

CVE-2025-7746 is a medium-severity cross-site scripting vulnerability in Schneider Electric ATS490 Altivar Soft Starter, published on 9 Sep 2025. 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

CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') vulnerability exists that could cause an unvalidated data injected by a malicious user potentially leading to modify or read data in a victim’s browser.

Weakness: CWE-79

Which versions are affected by CVE-2025-7746?

How do I fix CVE-2025-7746?

No fix has been published for CVE-2025-7746 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-2025-7746 being exploited?

There is no known exploitation of CVE-2025-7746 in the wild and no public exploit code.

Sources

Also known as GHSA-v42j-xh9r-gfmm.

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