VULNERABILITY INTELLIGENCE
CVE-2021-42335
CVSS score5.4 MEDIUM
EPSS probability0.59%
CISA KEVNot currently listed
Published2021-10-15
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Description
Easytest bulletin board management function of online learning platform does not filter special characters. After obtaining a user’s privilege, remote attackers can inject JavaScript and execute stored XSS attack.
Weakness classification
- twcert@cert.org.tw: CWE-79
Primary references
- twcert@cert.org.tw — Third Party Advisory
- af854a3a-2127-422b-91ae-364da2661108 — Third Party Advisory