CVE-2020-8294: A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Internet Explorer when saving a…

PriorityP425medium5.4CVSS 3.1

AVNACLPRLUIRSCCLILAN

EPSS

0.90%

55.3th percentile

A missing link validation in Nextcloud Server before 20.0.2, 19.0.5, 18.0.11 allows execution of a stored XSS attack using Internet Explorer when saving a 'javascript:' URL in markdown format.

Affected

4 ranges

Vendor	Product	Version range	Fixed in
nextcloud	nextcloud_server	< 18.0.11	18.0.11
nextcloud	nextcloud_server	—	—
nextcloud	nextcloud_server	>= 19.0.0 < 19.0.5	19.0.5
nextcloud	nextcloud_server	>= 20.0.0 < 20.0.2	20.0.2

CVSS provenance

nvdv3.15.4MEDIUMCVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

nvdv2.03.5LOWAV:N/AC:M/Au:S/C:N/I:P/A:N

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