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HIGH severity

CVE-2026-109653 — Frappe

HIGH

CVE-2026-109653 is a high-severity (CVSS 7.3) Cross-site Scripting (XSS) vulnerability. No vendor fix is recorded yet; mitigation options are listed below.

Frappe ERPNext before 15.119.0 and 16.x before 16.31.0 contains a stored cross-site scripting vulnerability because record fields are rendered into an HTML attribute context without…

Published
Updated
Affected
—
Patched
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Exploits
None indexed
Exploitation data as of Oct 12, 2026 · OSV.dev, NVD, FIRST.org (EPSS)

Description

Frappe ERPNext before 15.119.0 and 16.x before 16.31.0 contains a stored cross-site scripting vulnerability because record fields are rendered into an HTML attribute context without escaping. A low-privilege user can store a malicious payload in a record field that executes in the browser of any privileged user who opens the affected page, enabling account takeover.

Detection & mitigation playbook

Vulnerability
  1. Detect

    Identify every host running the affected component and compare the installed build against the fixed version below — for source-built or distro-packaged software the version string, not a lockfile, is the source of truth (`dpkg -l`, `rpm -q`, or the binary's own `--version`).

  2. Remediation status

    No fixed release is recorded for CVE-2026-109653 yet. Track the upstream advisory, and apply the exposure-reduction steps below in the meantime.

  3. Mitigate without a patch

    Escape or sanitise the affected output on the server side rather than relying on client-side filtering, and add a Content-Security-Policy that blocks inline script execution so injected markup cannot run even if it reaches the page.

Frequently Asked Questions

Frappe ERPNext before 15.119.0 and 16.x before 16.31.0 contains a stored cross-site scripting vulnerability because record fields are rendered into an HTML attribute context without escaping. A low-privilege user can store a malicious payload in a record field that executes in the browser of any privileged user who opens the affected page, enabling account takeover.
O3 Security · Impact-Aware SCA

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CVE-2026-109653: Frappe XSS (High 7.3)