CVE-2023-1421: A reflected cross-site scripting vulnerability in the OAuth flow completion endpoints in Mattermost allows an attacker to send AJAX requests on behalf of the…

PriorityP423medium6.1CVSS 3.1

AVNACLPRNUIRSCCLILAN

EPSS

0.41%

33.9th percentile

A reflected cross-site scripting vulnerability in the OAuth flow completion endpoints in Mattermost allows an attacker to send AJAX requests on behalf of the victim via sharing a crafted link with a malicious state parameter.

Affected

2 ranges

Vendor	Product	Version range	Fixed in
mattermost	mattermost	>= 5.32.0 < 7.7	7.7
mattermost	mattermost_server	>= 5.32.0 < 7.7.0	7.7.0

CVSS provenance

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

vendor_redhat7.1HIGH

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