Vulnerability Details CVE-2023-39961
Nextcloud Server provides data storage for Nextcloud, an open source cloud platform. Starting in version 24.0.4 and prior to versions 25.0.9, 26.0.4, and 27.0.1, when a folder with images or an image was shared without download permissions, the user could add the image inline into a text file and download it. Nextcloud Server versions 25.0.9, 26.0.4, and 27.0.1 and Nextcloud Enterprise Server versions 24.0.12.5, 25.0.9, 26.0.4, and 27.0.1 contain a patch for this issue. No known workarounds are available.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.003
EPSS Ranking 48.5%
CVSS Severity
CVSS v3 Score 3.5
References
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qhgm-w4gx-gvgp
- https://github.com/nextcloud/text/pull/4481
- https://hackerone.com/reports/1965156
- https://github.com/nextcloud/security-advisories/security/advisories/GHSA-qhgm-w4gx-gvgp
- https://github.com/nextcloud/text/pull/4481
- https://hackerone.com/reports/1965156
Products affected by CVE-2023-39961
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cpe:2.3:a:nextcloud:nextcloud_server:25.0.0
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cpe:2.3:a:nextcloud:nextcloud_server:25.0.2
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cpe:2.3:a:nextcloud:nextcloud_server:25.0.3
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cpe:2.3:a:nextcloud:nextcloud_server:25.0.4
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cpe:2.3:a:nextcloud:nextcloud_server:25.0.5
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cpe:2.3:a:nextcloud:nextcloud_server:25.0.6
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cpe:2.3:a:nextcloud:nextcloud_server:25.0.7
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cpe:2.3:a:nextcloud:nextcloud_server:25.0.8
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cpe:2.3:a:nextcloud:nextcloud_server:26.0.0
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cpe:2.3:a:nextcloud:nextcloud_server:26.0.1
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cpe:2.3:a:nextcloud:nextcloud_server:26.0.2
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cpe:2.3:a:nextcloud:nextcloud_server:26.0.3
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cpe:2.3:a:nextcloud:nextcloud_server:27.0.0