XSS in Tianma-If Edgeever

CVE-2026-109557

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.

Vulnerability class: XSS (Cross-Site Scripting)

Published .

CVSS v3 metric

CVSS v3 base score 8.7 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-109557?
CVE-2026-109557 is a high-severity vulnerability in Tianma-If Edgeever, classified under Cross-site Scripting. CVSS score: 8.7/10. Published 2026-10-12.
How severe is CVE-2026-109557?
High severity. CVSS v3 base score is 8.7 out of 10.