CVE-2026-109557: EdgeEver through 1.112.0 Stored XSS via setMemoDragPreview Drag Preview

Severity: high (CVSS 8.7 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-10-12 · updated 2026-10-16
Weakness: CWE-79

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.

Affected products

tianma-if EdgeEver: from 0.1.0 through 1.112.0

References

https://github.com/tianma-if/edgeever
https://github.com/tianma-if/edgeever/blob/f6ade70423ba366077653dbb8ac43a677933c776/apps/web/src/lib/app-helpers.ts#L912-L920
https://github.com/tianma-if/edgeever/commit/6b5027e8b4becbee0c0de7cd1a3d04af78ca87ca
https://github.com/tianma-if/edgeever/issues/534
https://github.com/tianma-if/edgeever/issues/546
https://www.vulncheck.com/advisories/edgeever-through-1.112.0-stored-xss-via-setmemodragpreview-drag-preview
https://github.com/tianma-if/edgeever/issues/534

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