CVE-2016-11073: Mattermost Server is vulnerable to XSS via a Legal or Support setting

May 24, 2022 (updated October 22, 2025)

An issue was discovered in Mattermost Server before 3.0.0. It allows XSS via a Legal or Support setting.

References

github.com/advisories/GHSA-9jrx-fgrm-96qh
github.com/mattermost/mattermost
github.com/mattermost/mattermost/commit/5ed7c3baa5b44356e92551c05e75ef2a47e2bf9b
mattermost.com/security-updates
nvd.nist.gov/vuln/detail/CVE-2016-11073

Code Behaviors & Features

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