CVE-2021-42335 — MEDIUM (5.4)

Vulnerability 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.

CVSS Score

5.4

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

REQUIRED

Scope

CHANGED

Confidentiality

LOW

Integrity

LOW

Availability

NONE

Affected Products

Vendor	Product	Versions
Huaju	Easytest Online Learning Test Platform	1705

Related Weaknesses (CWE)

CWE-79

References

https://www.twcert.org.tw/tw/cp-132-5206-3cd3f-1.htmlThird Party Advisory
https://www.twcert.org.tw/tw/cp-132-5206-3cd3f-1.htmlThird Party Advisory

FAQ

What is CVE-2021-42335?

CVE-2021-42335 is a vulnerability with a CVSS score of 5.4 (MEDIUM). 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 store...

How severe is CVE-2021-42335?

CVE-2021-42335 has been rated MEDIUM with a CVSS base score of 5.4/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-42335?

Check the references section above for vendor advisories and patch information. Affected products include: Huaju Easytest Online Learning Test Platform.