CVE-2021-22849

Hyweb HyCMS-J1 - Stored XSS

View on CVE.org

Published Jan 22, 2021 CVSS 3.1 · 4.6 Medium EPSS < 1% KEV · Not listed

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 Products

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

Hyweb

HyCMS-J1

affected

Version	Status	Constraints
`unspecified`	affected	≤ 7.4.3

Configuration 1 [-]

cpe:2.3:a:hyweb:hycms-j1:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

Vendor Solution

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

Tracking

Sign in to view the affected projects.

Advisories

Source	ID	Title
EUVD	EUVD-2021-9984	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.

Metrics

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication Single

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.516% probability within 30 days)

Key SSVC decision points have not yet been added.

References

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

History

No history.

Subscriptions

Hyweb Hycms-j1

Weaknesses

CWE-79

Sources

CVE record Updated: Sep 16, 2024, 4:12 PM

Status: PUBLISHED
Assigner: twcert
Published: Jan 22, 2021, 8:30 AM
Updated: Sep 16, 2024, 4:12 PM
Reserved: Jan 6, 2021, 12:00 AM

View source JSON

Vulnrichment No data

No data.

NVD Updated: Jun 17, 2026, 3:37 AM

Status: Modified
Published: Jan 22, 2021, 9:15 AM
Modified: Jun 17, 2026, 3:37 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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