CVE-2021-22849

Hyweb HyCMS-J1 - Stored XSS

Description

Hyweb HyCMS-J1 backend editing function does not filter special characters. Users after log-in can inject JavaScript syntax to perform a stored XSS (Stored Cross-site scripting) attack.

Remediation

Solution:

  • Update Hyweb HyCMS-J1 to the latest version or contact Hyweb Tech. for vulnerability repairment.

Category

4.6
CVSS
Severity: Medium
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.17%
Third-Party Advisory org.tw
Affected: Hyweb HyCMS-J1
Published at:
Updated at:

References

Link Tags
https://www.twcert.org.tw/tw/cp-132-4318-09cd3-1.html third party advisory

Frequently Asked Questions

What is the severity of CVE-2021-22849?
CVE-2021-22849 has been scored as a medium severity vulnerability.
How to fix CVE-2021-22849?
To fix CVE-2021-22849: Update Hyweb HyCMS-J1 to the latest version or contact Hyweb Tech. for vulnerability repairment.
Is CVE-2021-22849 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2021-22849 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-2021-22849?
CVE-2021-22849 affects Hyweb HyCMS-J1.
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