XSS in Shinher Information Co., Ltd. Studyonline System

CVE-2021-42329

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.

Vulnerability class: XSS (Cross-Site Scripting)

EPSS: 0.006 (43.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 5.4 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-42329?
CVE-2021-42329 is a medium-severity vulnerability in Shinher Information Co., Ltd. Studyonline System, classified under Cross-site Scripting. CVSS score: 5.4/10. Published 2021-10-15.
How severe is CVE-2021-42329?
Medium severity. CVSS v3 base score is 5.4 out of 10.