CVE-2021-42335

Huachu Digital Technology Co.,Ltd. Easytest - Stored XSS

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.

Remediation

Solution:

  • Update Easytest to version 2100

Category

5.4
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.15%
Third-Party Advisory org.tw
Affected: Huachu Digital Technology Co.,Ltd. Easytest
Published at:
Updated at:

References

Link Tags
https://www.twcert.org.tw/tw/cp-132-5206-3cd3f-1.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-42335?
CVE-2021-42335 has been scored as a medium severity vulnerability.
How to fix CVE-2021-42335?
To fix CVE-2021-42335: Update Easytest to version 2100
Is CVE-2021-42335 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-42335 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2021-42335?
CVE-2021-42335 affects Huachu Digital Technology Co.,Ltd. Easytest.
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