CVE-2021-22849

Published: Jan 22, 2021Modified: Jun 17, 2026

5.4

Vector

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

Exploitability: 2.3 / Impact: 2.7

Source: NVD

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.

Affected (1)

Products: Hyweb: Hycms J1

Hyweb

1 product

Hycms J1

Configuration A

1 vulnerable

Vulnerable Software	Affected Versions
Hyweb Hycms J1	Up to 7.4.3

Related CWEs

CWE-79

Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users.

References (2)

https://www.twcert.org.tw/tw/cp-132-4318-09cd3-1.html

Source: twcert@cert.org.tw

Third Party Advisory

https://www.twcert.org.tw/tw/cp-132-4318-09cd3-1.html

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

Timeline

No history available yet.