CVE-2023-48302

CVSS 3.1 Score 5.4 of 10 (medium)

Details

Published Nov 21, 2023
Updated: Nov 30, 2023
CWE ID 79

Summary

CVE-2023-48302 is a vulnerability that affects Nextcloud Server, an open source cloud platform. Versions 25.0.0 and earlier, including Nextcloud Enterprise Server versions 25.0.13, 26.0.8, and 27.1.3, are vulnerable to a cross-site scripting (XSS) attack when a user copies and pastes HTML code without markup using Ctrl+Shift+V, causing the markup to render unintentionally. The issue has been fixed in Nextcloud Server and Nextcloud Enterprise Server versions 25.0.13, 26.0.8, and 27.1.3. As a workaround, users can disable the app text feature to mitigate the vulnerability's impact on their organization's security. This vulnerability has a base severity rating of MEDIUM and poses a potential danger to organizations as it allows an attacker to execute malicious scripts within the context of the affected user's browser session, potentially leading to unauthorized access or data theft.

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