CVE-2023-48301

Name: CVE-2023-48301
Creator: NVD / NIST
Published: 2023-11-21T22:15:07.49+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 5.4/10EPSS 0.64%

Last modified Jun 17, 2026

CVE-2023-48301 is a medium-severity vulnerability rated 5.4/10 on the CVSS scale. 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. EPSS estimates a 0.64% chance of exploitation in the next 30 days.

Description

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.

Metrics

CVSS 3.1

5.4/10

CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

EPSS Probability

0.64%

46.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-79

Affected Software

Vendor	Product	Versions
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

References

https://github.com/nextcloud/circles/pull/1415Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wgpw-qqq2-gwv6Vendor Advisory
https://hackerone.com/reports/2210038Exploit, Third Party Advisory
https://github.com/nextcloud/circles/pull/1415Patch
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wgpw-qqq2-gwv6Vendor Advisory
https://hackerone.com/reports/2210038Exploit, Third Party Advisory

Timeline

Published: Nov 21, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-48301?

How severe is CVE-2023-48301?

CVE-2023-48301 has a CVSS score of 5.4/10 (MEDIUM severity). The EPSS model estimates a 0.64% probability of exploitation in the next 30 days.

How do I fix CVE-2023-48301?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-48301?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST