Arbitrary file upload in Nextcloud Contacts - CVE-2020-8281

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Main Vulnerability Database Vulnerabilities #VU48692

Arbitrary file upload in Nextcloud Contacts - CVE-2020-8281

Published: November 27, 2020


Vulnerability identifier: #VU48692
CSH Severity: Low
CVSSv4.0: CVSS:4.0/AV:N/AC:L/AT:P/PR:L/UI:A/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear
CVE-ID: CVE-2020-8281
CWE-ID: CWE-434
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vulnerable software:
Nextcloud Contacts
Software vendor:
Nextcloud

Description

The vulnerability allows a remote attacker to perform XSS attacks.

The vulnerability exists due to insufficient validation of file during file upload. A remote attacker can upload a malicious SVG file and execute arbitrary HTML code in victim's browser in context of vulnerable website.


Remediation

Install updates from vendor's website.

External links