Vulnerability · Published Oct 12, 2026 · Assigned by VulnCheck
CVE-2026-109558EdgeEver 1.6.0 through 1.112.0 Stored XSS via TemplatesPane Template Preview
High 8.7
In plain English
A high-severity cross-site scripting in EdgeEver from tianma-if. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 36% of all known vulnerabilities).
Severity (CVSS 3.1)8.7High
Exploit odds (30 days)0.4%top 63.6% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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.
Affected products (as reported)
Weakness: CWE-79 · Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:H/A:N
References
- GitHub Issue #533 issue-tracking
- GitHub Issue #546 issue-tracking
- Patch Commit patch
- Vulnerable code in TemplatesPane.tsx technical-description
- https://github.com/tianma-if/edgeever product
- VulnCheck Advisory: EdgeEver 1.6.0 through 1.112.0 Stored XSS via TemplatesPane Template Preview third-party-advisory