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TI-2026-83218 Aliases CVE-2026-39375

Stored cross-site scripting in Frappe LMS course meta tags

Priority LOW 23CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Passive
Attack complexity
Low
Attack requirements
None
Impact type
Cross-site scripting
Confidentiality · integrity · availability
None · Low · None
Fix status
Fixed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

Frappe LMS before 2.52.0 is affected. Meta tag fields in the Course Management module store values without adequate HTML sanitization and are not safely escaped when rendered, a cross-site scripting flaw (CWE-79). An authenticated user with a course editing role can inject malicious JavaScript through these fields.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

Description from the CNA

Frappe Learning Management System (LMS) is a learning system that helps users structure their content. Prior to version 2.52.0, an authenticated user with a course editing role can inject malicious JavaScript through meta tag fields in the Course Management module. The values are stored without adequate HTML sanitization and are not safely escaped when rendered, allowing stored cross-site scripting. This issue is fixed in version 2.52.0.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00348 28th percentileScored 2026-11-07
Fix Fixed lms (frappe): 2.52.0

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
frappelmsbefore 2.52.02.52.0Patch availableCNA
  • lms Vendorfrappe Affected before 2.52.0 Fixed in 2.52.0 Patch available CNA

CPE names Threatist (inferred) · 1

Inferred from how NVD named this product before; not given by a source.

CPEVersionsRoleVendor
cpe:2.3:a:frappe:learning:*:*:*:*:*:*:*:*——frappe
  • cpe:2.3:a:frappe:learning:*:*:*:*:*:*:*:* Versions — — ·frappe

Remediation

Upgrade Frappe LMS to version 2.52.0, which fixes this issue.

Written with Claude Haiku 5.5 from the sources below · 2026-10-30

  • Fix · CNA lms (frappe) Fixed in 2.52.0

Timeline

  1. 2026-10-30 Threatist record created from CVE-2026-39375
  2. 2026-10-30 CISA SSVC decision points changed

References

  • TI-2026-28140 ERPNext v15.103.1 and before is vulnerable to Server-Side Template Injection (SSTI). CVSS 3.1CRITICAL 9.8
  • TI-2025-40873 An issue was discovered in Frappe ERPNext through 15.89.0. CVSS 3.1CRITICAL 9.8
  • TI-2025-40872 An issue was discovered in Frappe ERPNext through 15.89.0. CVSS 3.1CRITICAL 9.8
  • TI-2025-40871 A Server-Side Template Injection (SSTI) vulnerability exists in the Frappe ERPNext… CVSS 3.1CRITICAL 9.8
  • TI-2025-32462 In Frappe ERPNext 15.57.5, the function get_rfq_containing_supplier() at… CVSS 3.1HIGH 8.2
  • TI-2025-32461 In Frappe ERPNext 15.57.5, the function get_stock_balance_for() at… CVSS 3.1HIGH 8.2
See all 321 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences