CVE-2026-109558CWE-79cross-site-scripting

CVE-2026-109558

High · published October 13, 2026

CVSS v3.1
8.7
EPSS
0%
Percentile
24.8
In the wild
Unconfirmed
What it is

EdgeEver 1.6.0 through 1.112.0 contains a stored cross-site scripting vulnerability in TemplatesPane.tsx that renders template contentMarkdown with raw HTML via dangerouslySetInnerHTML without sanitization. Attackers can write templates containing HTML event handlers through an API or MCP token to run script on preview and access the privileged window.edgeeverDesktop bridge.

The record
Technical detail
CVSS v3.1
8.7 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
CVSS v4.0
8.5 · CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:P/VC:H/VI:H/VA:N/SC:N/SI:N/SA:N
EPSS
0.00330 · 24.8th percentile
Weakness
CWE-79 · Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
Published
2026-10-13T01:17Z
References (7)
https://github.com/tianma-if/edgeever · [email protected]https://github.com/tianma-if/edgeever/blob/f6ade70423ba366077653dbb8ac43a677933c776/apps/web/src/components/TemplatesPane.tsx#L150-L158 · [email protected]https://github.com/tianma-if/edgeever/commit/6b5027e8b4becbee0c0de7cd1a3d04af78ca87ca · [email protected]https://github.com/tianma-if/edgeever/issues/533 · [email protected]https://github.com/tianma-if/edgeever/issues/546 · [email protected]https://www.vulncheck.com/advisories/edgeever-1.6.0-through-1.112.0-stored-xss-via-templatespane-template-preview · [email protected]https://github.com/tianma-if/edgeever/issues/533 · 134c704f-9b21-4f2e-91b3-4a467353bcc0
EPSS history
Timeline
  • 14 OCT 03:27Z
    EPSS moved — → 0%
    epss
  • 12 OCT 20:55Z
    EdgeEver 1.6.0 through 1.112.0 Stored XSS via TemplatesPane Template Preview
    cvelistv5
  • 12 OCT 20:55Z
    EdgeEver 1.6.0 through 1.112.0 Stored XSS via TemplatesPane Template Preview
    cvelistv5