medium5.4
CVE-2020-8280
A missing file type check in Nextcloud Contacts 3.4.0 allows a malicious user to upload SVG files as PNG files to perform cross-site scripting (XSS) attacks.
Impact
A missing file type check in Nextcloud Contacts 3.4.0 allows a malicious user to upload SVG files as PNG files to perform cross-site scripting (XSS) attacks.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| Nextcloud | Contacts | before 3.4.1 |