Vulnerability Report: GO-2025-4190
- CVE-2017-18877, GHSA-9x8x-w6g5-hx4w
- Affects: github.com/mattermost/mattermost-server
- Published: Dec 08, 2025
Mattermost Server is vulnerable to XSS attacks against an OAuth 2.0 allow/deny page in github.com/mattermost/mattermost-server
For detailed information about this vulnerability, visit https://github.com/advisories/GHSA-9x8x-w6g5-hx4w or https://nvd.nist.gov/vuln/detail/CVE-2017-18877.
Affected Packages
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PathVersionsSymbols
Aliases
References
- https://github.com/advisories/GHSA-9x8x-w6g5-hx4w
- https://nvd.nist.gov/vuln/detail/CVE-2017-18877
- https://mattermost.com/security-updates
- https://vuln.go.dev/ID/GO-2025-4190.json
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