Vulnerabilities
Vulnerable Software

Vulnerability Details CVE-2021-32733

Nextcloud Text is a collaborative document editing application that uses Markdown. A cross-site scripting vulnerability is present in versions prior to 19.0.13, 20.0.11, and 21.0.3. The Nextcloud Text application shipped with Nextcloud server used a `text/html` Content-Type when serving files to users. Due the strict Content-Security-Policy shipped with Nextcloud, this issue is not exploitable on modern browsers supporting Content-Security-Policy. The issue was fixed in versions 19.0.13, 20.0.11, and 21.0.3. As a workaround, use a browser that has support for Content-Security-Policy.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 38.9%
CVSS Severity
CVSS v3 Score 4.8
CVSS v2 Score 4.3
Products affected by CVE-2021-32733


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