Frappe LMS up to 2.47.x cross site scripting

Summaryinfo

A vulnerability was found in Frappe LMS up to 2.47.x and classified as problematic. The impacted element is an unknown function. Executing a manipulation can lead to cross site scripting. This vulnerability appears as CVE-2026-34606. The attack may be performed from remote. There is no available exploit. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in Frappe LMS up to 2.47.x. This vulnerability affects an unknown code. The manipulation with an unknown input leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. CVE summarizes:

Frappe Learning Management System (LMS) is a learning system that helps users structure their content. From version 2.27.0 to before version 2.48.0, Frappe LMS was vulnerable to stored XSS. This issue has been patched in version 2.48.0.

The advisory is shared for download at github.com. This vulnerability was named CVE-2026-34606 since 03/30/2026. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available. The MITRE ATT&CK project declares the attack technique as T1059.007.

Upgrading to version 2.48.0 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch b8283860a7f029ea2fa0245131c398c079088921 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

• Frappe

Name

• LMS

Version

• 2.0
• 2.1
• 2.2
• 2.3
• 2.4
• 2.5
• 2.6
• 2.7
• 2.8
• 2.9
• 2.10
• 2.11
• 2.12
• 2.13
• 2.14
• 2.15
• 2.16
• 2.17
• 2.18
• 2.19
• 2.20
• 2.21
• 2.22
• 2.23
• 2.24
• 2.25
• 2.26
• 2.27
• 2.28
• 2.29
• 2.30
• 2.31
• 2.32
• 2.33
• 2.34
• 2.35
• 2.36
• 2.37
• 2.38
• 2.39
• 2.40
• 2.41
• 2.42
• 2.43
• 2.44
• 2.45
• 2.46
• 2.47

License

• open-source

Website

• Product: https://github.com/frappe/lms/

CPE 2.3info

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CPE 2.2info

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Once again VulDB remains the best source for vulnerability data.

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