CVE-2026-71189 Toptech TMS7 and TopHAT Cross-site Scripting
Attackers can inject JavaScript into Toptech TMS7 and TopHAT applications, allowing execution in victim browsers to potentially hijack 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-2026-71189?
CVE-2026-71189 is a medium-severity cross-site scripting vulnerability in Toptech Systems TMS7, published on 29 Sep 2026. Any signed-in user can exploit it over the network, and only if a user opens a file or follows a link.
Official description
An attacker can construct a request that, if issued by another application user, will cause JavaScript code supplied by the attacker to execute within the user's browser in the context of that user's session with the application.
Weakness: CWE-79
Which versions are affected by CVE-2026-71189?
How do I fix CVE-2026-71189?
No fix has been published for CVE-2026-71189 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-2026-71189 being exploited?
There is no known exploitation of CVE-2026-71189 in the wild and no public exploit code.
Sources
Also known as GHSA-c626-px4f-p5qx.