CVE-2020-8280

EUVD-2020-29148
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.
Cross-site Scripting
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
5.4 MEDIUM
NETWORK
LOW
LOW
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 44%
Affected Products (NVD)
VendorProductVersion
nextcloudcontacts
𝑥
< 3.4.1
𝑥
= Vulnerable software versions
Common Weakness Enumeration
References
https://hackerone.com/reports/998422
https://nextcloud.com/security/advisory/?id=NC-SA-2020-044
https://hackerone.com/reports/998422
https://nextcloud.com/security/advisory/?id=NC-SA-2020-044