CVE-2023-1421

LOW

Mattermost Server 5.32.0-7.6.9 - Reflected Cross-Site Scripting via OAuth State Parameter

Title source: llm
STIX 2.1

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.

References (1)

Core 1
Core References

Scores

CVSS v3 3.5
EPSS 0.0073
EPSS Percentile 72.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:N

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

CWE
CWE-79
Status published
Products (1)
mattermost/mattermost_server 5.32.0 - 7.7.0
Published Mar 15, 2023
Tracked Since Feb 18, 2026