CVE-2025-4417 AVEVA PI Connector for CygNet Cross-site Scripting
An administrator with local access can inject persistent JavaScript into the AVEVA PI Connector admin portal, affecting other users.
- Exploited in the wild
- Not known
- Login needed
- An administrator
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- None listed
What is CVE-2025-4417?
CVE-2025-4417 is a medium-severity cross-site scripting vulnerability in AVEVA PI Connector for CygNet, published on 12 Jun 2025. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
A cross-site scripting vulnerability exists in AVEVA PI Connector for CygNet Versions 1.6.14 and prior that, if exploited, could allow an administrator miscreant with local access to the connector admin portal to persist arbitrary JavaScript code that will be executed by other users who visit affected pages.
Weakness: CWE-79
Which versions are affected by CVE-2025-4417?
How do I fix CVE-2025-4417?
No fix has been published for CVE-2025-4417 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-2025-4417 being exploited?
There is no known exploitation of CVE-2025-4417 in the wild and no public exploit code.
Sources
Also known as GHSA-xm3f-qg9m-jmh5.