CVE-2021-20829 - Vulnerability Details - OpenCVE

Description

Cross-site scripting vulnerability due to the inadequate tag sanitization in GROWI versions v4.2.19 and earlier allows remote attackers to execute an arbitrary script on the web browser of the user who accesses a specially crafted page.

Published: 2021-09-21

Score: 6.1 Medium

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

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

Vendor Product Default status Versions

WESEEK, Inc.

GROWI

affected

Version	Status	Constraints
`versions v4.2.19 and earlier`	affected	—

Configuration 1 [-]

cpe:2.3:a:weseek:growi:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2021-8241	Cross-site scripting vulnerability due to the inadequate tag sanitization in GROWI versions v4.2.19 and earlier allows remote attackers to execute an arbitrary script on the web browser of the user who accesses a specially crafted page.

No CVSS v4.0

Attack Vector Network

Attack Complexity Low

Privileges Required None

Scope Changed

Confidentiality Impact Low

Integrity Impact Low

Availability Impact None

User Interaction Required

No CVSS v3.0

Access Vector Network

Access Complexity Medium

Authentication None

Confidentiality Impact None

Integrity Impact Partial

Availability Impact None

This CVE is not in the KEV list.

The EPSS score is 0.00754.

Key SSVC decision points have not yet been added.

References

Link	Providers
https://jvn.jp/en/vu/JVNVU94889258/index.html
https://weseek.co.jp/security/2021/09/17/vulnerability/growi-prevent-multiple-xss-addition/

History

No history.

Subscriptions

Weseek Growi

MITRE

Status: PUBLISHED

Assigner: jpcert

Published: 2021-09-21T09:25:10.000Z

Updated: 2024-08-03T17:53:23.057Z

Reserved: 2020-12-17T00:00:00.000Z

Link: CVE-2021-20829

Vulnrichment

No data.

NVD

Status : Modified

Published: 2021-09-21T10:15:07.543

Modified: 2026-06-17T03:34:30.393

Link: CVE-2021-20829

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

CWE-79
Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

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