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

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MEDIUM

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

Published Jan 6, 2021

5.4

MEDIUM

CVSS 3.1

EPSS 0.64%

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.

Affected products

Vendor n/a Product Nextcloud Contacts Default
n/a
- Version
  Fixed in 3.4.1
  Status
  affected
  Constraints
  -

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

n/a

Nextcloud Contacts

n/a

Version	Status	Constraints
Fixed in 3.4.1	affected	-

Remediation

No remediation recorded yet.

Weaknesses (1)

CWE-79

Cross-site Scripting (XSS)

References (2)

https://hackerone.com/reports/998422
x_refsource_MISCExploitThird Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-044
x_refsource_MISCVendor Advisory

Link	Providers	Tags
https://hackerone.com/reports/998422		x_refsource_MISCExploitThird Party Advisory
https://nextcloud.com/security/advisory/?id=NC-SA-2020-044		x_refsource_MISCVendor Advisory