CVE-2023-48302 Information

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 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.

Reference

https://github.com/nextcloud/security-advisories/security/advisories/GHSA-p7g9-x25m-4h87 https://github.com/nextcloud/text/pull/4877 https://hackerone.com/reports/2211561