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.

Score

CVSS 3.1 5.4 Medium

Status

Modified - support@hackerone.com

Published

2021-01-06

Last modified

2024-08-04

Weaknesses

CWE-79

Affected products

• Contacts (Nextcloud)

References

• https://hackerone.com/reports/998422
• https://nextcloud.com/security/advisory/?id=NC-SA-2020-044