CVE-2026-66155 Cross-site scripting in Element maps-ng V47
An attacker can execute arbitrary script code in a victim's browser by crafting a malicious URL that triggers XSS when hovering over map pins.
- 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-2026-66155?
CVE-2026-66155 is a high-severity cross-site scripting vulnerability in Siemens Element maps-ng V47, published on 27 Aug 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
A vulnerability has been identified in Element maps-ng V47 (All versions < V47.12.3), Element maps-ng V48 (All versions < V48.11.3), Element maps-ng V49 (All versions < V49.16.1). The si-map component does not properly neutralize user-controllable input of the points property that is used to render the tooltip label of map pins. This could allow an attacker to craft a malicious URL that, when loaded by a victim and the map pin is hovered over, executes arbitrary script code within the victim's browser session.
Weakness: CWE-79
Which versions are affected by CVE-2026-66155?
How do I fix CVE-2026-66155?
No fix has been published for CVE-2026-66155 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-2026-66155 being exploited?
There is no known exploitation of CVE-2026-66155 in the wild and no public exploit code.