CVE-2026-46546: Frappe LMS: HTML injection in user-controlled metadata

Published Jun 9, 2026
·
Updated

Frappe Learning Management System (LMS) is a learning system that helps users structure their content. Prior to version 2.53.0, an authenticated user could supply specially crafted content in certain user-editable fields that, when surfaced in page metadata, caused visitors' browsers to navigate to an attacker-chosen URL. This issue has been patched in version 2.53.0.

Affected Software

1 affected component
Frappe Frappe LMS<2.53.0

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade Frappe Learning Management System (LMS) to a version that resolves this vulnerability.

    Fixed in 2.53.0

Event History

Jun 9, 2026
CVE Published
via MITRE·11:54 PM
Data Sourced
via MITRE·11:54 PM
DescriptionWeakness
Jun 10, 2026
Data Sourced
via NVD·01:16 AM
DescriptionSeverityWeaknessAffected Software
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Frequently Asked Questions

1

What is the severity of CVE-2026-46546?

CVE-2026-46546 is classified as a low severity vulnerability with a CVSS score of 4.0.

2

How do I fix CVE-2026-46546?

To address CVE-2026-46546, upgrade to Frappe LMS version 2.53.0 or later.

3

What type of vulnerability is CVE-2026-46546?

CVE-2026-46546 is an HTML injection vulnerability affecting user-controlled metadata in Frappe LMS.

4

Who is affected by CVE-2026-46546?

Authenticated users of Frappe LMS prior to version 2.53.0 are affected by CVE-2026-46546.

5

What impact does CVE-2026-46546 have?

CVE-2026-46546 can cause visitors' browsers to navigate to unintended URLs due to improper handling of user-editable fields.

Contact

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