CVE-2021-37860: Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product…

PriorityP425medium6.1CVSS 3.1

AVNACLPRNUIRSCCLILAN

EPSS

0.63%

46.6th percentile

Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.

Affected

3 ranges

Vendor	Product	Version range	Fixed in
github.com	mattermost_mattermost-server_v5	>= 0 < 5.39.0	5.39.0
mattermost	mattermost	<= 5.38	—
mattermost	mattermost	unspecified – 5.38	—

CVSS provenance

nvdv3.16.1MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

nvdv2.02.6LOWAV:N/AC:H/Au:N/C:N/I:P/A:N

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