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Mattermost Server is vulnerable to XSS attacks against an OAuth 2.0 allow/deny page

šŸ—“ļøĀ 24 May 2022Ā 17:21:03Reported byĀ GitHub Advisory DatabaseTypeĀ 
github
Ā github
šŸ”—Ā github.comšŸ‘Ā 2Ā Views

Mattermost Server has XSS on the OAuth 2.0 allow/deny page in older versions.

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05 Dec 2025 15:10Current
6.4Medium risk
Vulners AI Score6.4
CVSS 24.3
CVSS 3.16.1
EPSS0.00179
2