CVE-2023-25159

Nextcloud Server previews are accessible without a watermark

Description

Nextcloud Server is the file server software for Nextcloud, a self-hosted productivity platform, and Nextcloud Office is a document collaboration app for the same platform. Nextcloud Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, Nextcloud Enterprise Server 24.0.x prior to 24.0.8 and 25.0.x prior to 25.0.1, and Nextcloud Office (Richdocuments) App 6.x prior to 6.3.1 and 7.x prior to 7.0.1 have previews accessible without a watermark. The download should be hidden and the watermark should get applied. This issue is fixed in Nextcloud Server 25.0.1 and 24.0.8, Nextcloud Enterprise Server 25.0.1 and 24.0.8, and Nextcloud Office (Richdocuments) App 7.0.1 (for 25) and 6.3.1 (for 24). No known workarounds are available.

Category

2.3
CVSS
Severity: Low
CVSS 3.1 •
EPSS 0.12%
Vendor Advisory github.com
Affected: nextcloud security-advisories
Published at:
Updated at:

References

Link Tags
https://github.com/nextcloud/security-advisories/security/advisories/GHSA-92g2-h5jv-jjmg vendor advisory
https://github.com/nextcloud/richdocuments/pull/2579 broken link
https://github.com/nextcloud/server/pull/34799 broken link
https://hackerone.com/reports/1745755 third party advisory permissions required

Frequently Asked Questions

What is the severity of CVE-2023-25159?
CVE-2023-25159 has been scored as a low severity vulnerability.
How to fix CVE-2023-25159?
To fix CVE-2023-25159, 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-2023-25159 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-25159 is being actively exploited. 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-2023-25159?
CVE-2023-25159 affects nextcloud security-advisories.
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