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TWCERT/CC Taiwan Computer Emergency Response Team/Coordination Center



Hyweb HyCMS-J1 - Stored XSS

TVN ID TVN-202101003
CVE ID CVE-2021-22849
CVSS 4.6(Medium)
Affected Products Hyweb HyCMS-J1 version prior to 7.4.3
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.
Solution Update Hyweb HyCMS-J1 to the latest version or contact Hyweb Tech. for vulnerability repairment.
Credit Robin Tung (CHT)
Public Date 2021-01-19