CVE-2026-19471 Rockwell Automation ArmorStart® LT Stored Cross-site scripting
Attackers can inject malicious scripts into ArmorStart LT web interfaces, potentially compromising user sessions and executing code in victim browsers.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-19471?
CVE-2026-19471 is a medium-severity cross-site scripting vulnerability in Rockwell Automation ArmorStart® LT, published on 1 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
Multiple stored cross-site scripting security issues exist within ArmorStart® LT. Stored XSS occurs when user input is not properly sanitized and is stored on the server, allowing an attacker to inject malicious scripts that will be executed when other users access the affected page.
Weakness: CWE-79
Which versions are affected by CVE-2026-19471?
How do I fix CVE-2026-19471?
No fix has been published for CVE-2026-19471 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-2026-19471 being exploited?
There is no known exploitation of CVE-2026-19471 in the wild and no public exploit code.
Sources
Also known as GHSA-jg63-jqmh-wggx.