CVE-2023-1421

Reflected XSS in OAuth flow completion endpoints

State: Published
Severity: 3.5 Low
Published: Mar 15, 2023
Updated: Dec 6, 2024
Reserved: Mar 15, 2023

Description

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.

Scores

CVSS	Score	Vector	Source
3.1	3.5 Low	CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N	Mattermost

Weaknesses

CWE-79 Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Affected Products

Product	Versions
MattermostMattermost	5.32.0 to before 7.7Affected 7.7Not affected

References

https://mattermost.com/security-updates/

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