What is CVE-2023-48301?

CVE-2023-48301 is a vulnerability in Nextcloud Server that allows for HTML injection in the search UI when selecting a circle with HTML in the display name.

Which versions of Nextcloud Server are affected by CVE-2023-48301?

Versions 25.0.0 to 25.0.13, 26.0.0 to 26.0.8, and 27.0.0 to 27.1.3 of Nextcloud Server and Nextcloud Enterprise Server are affected.

What is the severity of CVE-2023-48301?

The severity of CVE-2023-48301 is medium with a CVSS score of 5.4.

How can an attacker exploit CVE-2023-48301?

An attacker can exploit CVE-2023-48301 by inserting links into circle names that will be opened when clicked.

Are there any references for CVE-2023-48301?

Yes, you can find references for CVE-2023-48301 at the following links: [GitHub](https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wgpw-qqq2-gwv6), [GitHub Pull Request](https://github.com/nextcloud/circles/pull/1415), [HackerOne report](https://hackerone.com/reports/2210038).

Vulnerability/
CVE-2023-48301

medium

5.4

CWE

21/11/2023

30/11/2023

CVE-2023-48301: Nextcloud Server HTML injection in search UI when selecting a circle with HTML in the display name

First published: Tue Nov 21 2023(Updated: )

Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 25.0.0 and prior to versions 25.0.13, 26.0.8, and 27.1.3 of Nextcloud Server and Nextcloud Enterprise Server, an attacker could insert links into circles name that would be opened when clicking the circle name in a search filter. Nextcloud Server and Nextcloud Enterprise Server versions 25.0.13, 26.0.8, and 27.1.3 contain a fix for this issue. As a workaround, disable app circles.

Credit: security-advisories@github.com

Affected Software	Affected Version	How to fix
Nextcloud Nextcloud Server	>=25.0.0<=25.0.13
Nextcloud Nextcloud Server	>=25.0.0<25.0.13
Nextcloud Nextcloud Server	>=26.0.0<=26.0.8
Nextcloud Nextcloud Server	>=26.0.0<26.0.8
Nextcloud Nextcloud Server	>=27.0.0<=27.1.3
Nextcloud Nextcloud Server	>=27.0.0<27.1.3

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Frequently Asked Questions

What is CVE-2023-48301?
CVE-2023-48301 is a vulnerability in Nextcloud Server that allows for HTML injection in the search UI when selecting a circle with HTML in the display name.
Which versions of Nextcloud Server are affected by CVE-2023-48301?
Versions 25.0.0 to 25.0.13, 26.0.0 to 26.0.8, and 27.0.0 to 27.1.3 of Nextcloud Server and Nextcloud Enterprise Server are affected.
What is the severity of CVE-2023-48301?
The severity of CVE-2023-48301 is medium with a CVSS score of 5.4.
How can an attacker exploit CVE-2023-48301?
An attacker can exploit CVE-2023-48301 by inserting links into circle names that will be opened when clicked.
Are there any references for CVE-2023-48301?
Yes, you can find references for CVE-2023-48301 at the following links: [GitHub](https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wgpw-qqq2-gwv6), [GitHub Pull Request](https://github.com/nextcloud/circles/pull/1415), [HackerOne report](https://hackerone.com/reports/2210038).

collector/mitre-cve
collector/nvd-api
agent/references
agent/weakness
agent/title
agent/author
agent/severity
agent/tags
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agent/first-publish-date
agent/last-modified-date
vendor/nextcloud
canonical/nextcloud nextcloud server
version/nextcloud nextcloud server/25.0.0
version/nextcloud nextcloud server/25.0.13
version/nextcloud nextcloud server/26.0.0
version/nextcloud nextcloud server/26.0.8
version/nextcloud nextcloud server/27.0.0
version/nextcloud nextcloud server/27.1.3

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