CVE-2025-8743 Scada-LTS Virtual Data Source Property data_source_edit.shtm cross site scripting

Medium 5.1 Published 8 Aug 2025 Updated 12 Aug 2025

Remote attackers can inject malicious scripts via the Name argument in the Virtual Data Source Property Handler, potentially compromising user sessions.

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-2025-8743?

CVE-2025-8743 is a medium-severity cross-site scripting vulnerability in Scada-LTS, published on 8 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 classified as problematic has been found in Scada-LTS up to 2.7.8.1. This affects an unknown part of the file /data_source_edit.shtm of the component Virtual Data Source Property Handler. The manipulation of the argument Name leads to cross site scripting. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used.

Weakness: CWE-94, CWE-79

Which versions are affected by CVE-2025-8743?

It affects 1 product.

Products include Scada-Lts Scada-Lts.

How do I fix CVE-2025-8743?

No fix has been published for CVE-2025-8743 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-2025-8743 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-8743 exists.

Sources

Also known as GHSA-pqpx-59rc-8jj4.