1. Home
  2. CVE Database
  3. CVE-2021-22849
MEDIUM · 4.6

CVE-2021-22849

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.

Vulnerability 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.

CVSS Score

4.6

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:N
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
LOW
Integrity
LOW
Availability
NONE

Affected Products

VendorProductVersions
HywebHycms-J1<= 7.4.3

Related Weaknesses (CWE)

CWE-79

References

FAQ

What is CVE-2021-22849?

CVE-2021-22849 is a vulnerability with a CVSS score of 4.6 (MEDIUM). 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.

How severe is CVE-2021-22849?

CVE-2021-22849 has been rated MEDIUM with a CVSS base score of 4.6/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-22849?

Check the references section above for vendor advisories and patch information. Affected products include: Hyweb Hycms-J1.