CVE-2026-109557 EdgeEver through 1.112.0 Stored XSS via setMemoDragPreview Drag Preview
Attackers can inject scripts via notebook or memo names in EdgeEver, executing code on drag and stealing session tokens.
- 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-2026-109557?
CVE-2026-109557 is a high-severity cross-site scripting vulnerability in tianma-if EdgeEver, published on 12 Oct 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
EdgeEver through 1.112.0 contains a stored cross-site scripting vulnerability in setMemoDragPreview that allows attackers to inject script through notebook names or memo titles. Attackers can set malicious names via MCP create_notebook, rename_notebook or create_memo tools, running script on drag with access to the desktop bridge's session token.
Weakness: CWE-79
Which versions are affected by CVE-2026-109557?
How do I fix CVE-2026-109557?
No fix has been published for CVE-2026-109557 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-2026-109557 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-109557 exists.
Sources
Also known as GHSA-489r-rjvf-hwg5.