CVE-2023-48302

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, when a user is tricked into copy pasting HTML code without markup (Ctrl+Shift+V) the markup will actually render. 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 text.

• CWE-79

• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87Vendor Advisory
• https://github.com/nextcloud/text/pull/4877Patch
• https://hackerone.com/reports/2211561Permissions Required
• https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87Vendor Advisory
• https://github.com/nextcloud/text/pull/4877Patch
• https://hackerone.com/reports/2211561Permissions Required

Published

Nov 21, 2023

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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