CVE-2020-8280

MEDIUM

Nextcloud Contacts < 3.4.1 - Stored Cross-Site Scripting via SVG File Upload

Title source: llm
STIX 2.1

Description

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.

References (2)

Core 2
Core References
Exploit, Third Party Advisory x_refsource_misc
https://hackerone.com/reports/998422

Scores

CVSS v3 5.4
EPSS 0.0022
EPSS Percentile 44.1%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Details

CWE
CWE-79
Status published
Products (1)
nextcloud/contacts < 3.4.1
Published Jan 06, 2021
Tracked Since Feb 18, 2026