CVE-2023-48301

Public Exploit
Nextcloud Server HTML injection in search UI when selecting a circle with HTML in the display name

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.

Category

3.5
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.39%
Vendor Advisory github.com
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-wgpw-qqq2-gwv6 vendor advisory
https://github.com/nextcloud/circles/pull/1415 patch
https://hackerone.com/reports/2210038 third party advisory exploit

Frequently Asked Questions

What is the severity of CVE-2023-48301?
CVE-2023-48301 has been scored as a low severity vulnerability.
How to fix CVE-2023-48301?
To fix CVE-2023-48301, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-48301 being actively exploited in the wild?
It is possible that CVE-2023-48301 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-48301?
CVE-2023-48301 affects nextcloud security-advisories.
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