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Status published
Low
CVE-2023-1421
Reflected XSS in OAuth flow completion endpoints
Vulnerability 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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
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Credits & Attribution
The following person or organization is credited with identifying this vulnerability, as recorded in the NVD database:
- zerodivisi0n
References
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Affected Vendor
Mattermost
View all reports →Affected Software
Mattermost
Vulnerable Versions:
5.32.0, 7.7
Timeline
Official Publish:
March 15th, 2023
Last Modified:
December 6th, 2024
Added to House:
July 22nd, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N