What is the severity of CVE-2021-29438?

The severity of CVE-2021-29438 is considered to be high due to the potential for XSS attacks.

How do I fix CVE-2021-29438?

To fix CVE-2021-29438, update the @nextcloud/dialogs package to version 3.1.2 or later.

What are the potential impacts of CVE-2021-29438?

CVE-2021-29438 can lead to cross-site scripting (XSS) vulnerabilities if user-supplied input is not properly escaped.

Is my application affected by CVE-2021-29438?

Your application may be affected by CVE-2021-29438 if it uses the @nextcloud/dialogs package version below 3.1.2 and displays user-supplied input in toasts.

What is the nature of the vulnerability in CVE-2021-29438?

CVE-2021-29438 is an XSS vulnerability caused by insufficiently escaping user input in toast notifications.

Vulnerability/
CVE-2021-29438

medium

5.4

CWE

79 80

13/4/2021

3/8/2024

CVE-2021-29438: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS) in @nextcloud/dialogs

First published: Tue Apr 13 2021(Updated: )

The Nextcloud dialogs library (npm package @nextcloud/dialogs) before 3.1.2 insufficiently escaped text input passed to a toast. If your application displays toasts with user-supplied input, this could lead to a XSS vulnerability. The vulnerability has been patched in version 3.1.2 If you need to display HTML in the toast, explicitly pass the `options.isHTML` config flag.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Nextcloud	<3.1.2

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-29438?
The severity of CVE-2021-29438 is considered to be high due to the potential for XSS attacks.
How do I fix CVE-2021-29438?
To fix CVE-2021-29438, update the @nextcloud/dialogs package to version 3.1.2 or later.
What are the potential impacts of CVE-2021-29438?
CVE-2021-29438 can lead to cross-site scripting (XSS) vulnerabilities if user-supplied input is not properly escaped.
Is my application affected by CVE-2021-29438?
Your application may be affected by CVE-2021-29438 if it uses the @nextcloud/dialogs package version below 3.1.2 and displays user-supplied input in toasts.
What is the nature of the vulnerability in CVE-2021-29438?
CVE-2021-29438 is an XSS vulnerability caused by insufficiently escaping user input in toast notifications.

agent/type
agent/softwarecombine
collector/mitre-cve
source/MITRE
agent/weakness
agent/references
agent/title
agent/author
agent/severity
agent/last-modified-date
agent/first-publish-date
agent/description
agent/event
agent/source
agent/tags
collector/nvd-index
agent/software-canonical-lookup-request
vendor/nextcloud\/dialogs project
canonical/nextcloud

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Frequently Asked Questions

What is the severity of CVE-2021-29438?
The severity of CVE-2021-29438 is considered to be high due to the potential for XSS attacks.
How do I fix CVE-2021-29438?
To fix CVE-2021-29438, update the @nextcloud/dialogs package to version 3.1.2 or later.
What are the potential impacts of CVE-2021-29438?
CVE-2021-29438 can lead to cross-site scripting (XSS) vulnerabilities if user-supplied input is not properly escaped.
Is my application affected by CVE-2021-29438?
Your application may be affected by CVE-2021-29438 if it uses the @nextcloud/dialogs package version below 3.1.2 and displays user-supplied input in toasts.
What is the nature of the vulnerability in CVE-2021-29438?
CVE-2021-29438 is an XSS vulnerability caused by insufficiently escaping user input in toast notifications.