Read the docs
TI-2021-18759 Aliases CVE-2021-42329GHSA-x6v4-jh5f-25pv

ShinHer Information Co., LTD. ShinHer StudyOnline System - Stored XSS

Priority LOW 25CWE-79Published · Updated

Key facts

Attack vector
Network
Privileges required
Low
User interaction
Required
Attack complexity
Low
Impact type
Cross-site scripting
Confidentiality · integrity · availability
Low · Low · None
Fix status
No fix listed

Attack profile from CVSS 3.1 · CNA. Fix status from CNA. Impact type from CWE-79.

Summary

The “List_Add” function of message board of ShinHer StudyOnline System does not filter special characters in the title parameter. After logging in with user’s privilege, remote attackers can inject JavaScript and execute stored XSS attacks.

Why it matters now

EPSS 0.00586 48th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

VendorProductAffected versionsFixed inStatusSource
ShinHer Information Co., LTD.ShinHer StudyOnline Systemup to 2021—No fix listedCNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:xinheinformation:xinhe_teaching_platform_system:v2021:*:*:*:*:*:*:*v2021VulnerableShinHer Information Co., LTD.

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2021-42329
  2. 2026-10-03 Alias added: GHSA-x6v4-jh5f-25pv

References

  • TI-2021-18760 ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-1 CVSS 3.1HIGH 8.8
  • TI-2021-18761 ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-2 CVSS 3.1MEDIUM 5.4
  • TI-2021-18762 ShinHer Information Co., LTD. ShinHer StudyOnline System - Improper Authorization-3 CVSS 3.1MEDIUM 4.3

Sources