TI-2021-05710 Aliases CVE-2021-22849 GHSA-j57c-7v46-28f4

Hyweb HyCMS-J1 - Stored XSS

LOW 25CWE-79Published 2021-01-22 · Updated 2024-09-16

Key facts

Attack vector: Network
Privileges required: Low
User interaction: Required
Attack complexity: Low
Impact type: Cross-site scripting
Confidentiality · integrity · availability: Low · Low · None
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-79.

Summary

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.

Why it matters now

EPSS 0.00516 44th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
Hyweb	HyCMS-J1	up to 7.4.3	—	No fix listed	CNA

HyCMS-J1 VendorHyweb Affected up to 7.4.3 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:hyweb:hycms-j1::::::::	up to 7.4.3	Vulnerable	Hyweb

cpe:2.3:a:hyweb:hycms-j1:*:*:*:*:*:*:*:* Versions up to 7.4.3 Vulnerable ·Hyweb

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2021-22849
2026-10-03 Alias added: GHSA-j57c-7v46-28f4

References

Advisory 1

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

TI-2021-05708 Hyweb HyCMS-J1 - SQL Injection CVSS 3.1HIGH 8.8

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences