CVE-2016-11063
Moderate
Mattermost Server vulnerable to Cross-site Scripting through file preview feature in github.com/mattermost/mattermost-server
Mattermost Server vulnerable to Cross-site Scripting through file preview feature in github.com/mattermost/mattermost-server
Exploit probability
0.7%
Published
October 30, 2025
Required by
Not available
Last source change
March 3, 2026
02 / AFFECTED SOFTWARE
Affected packages
2 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
Open Source Vulnerabilities
CVE-2016-11063
View original source
An issue was discovered in Mattermost Server before 3.5.1. XSS can occur via file preview.
Open Source Vulnerabilities
GO-2025-4045
View original source
Mattermost Server vulnerable to Cross-site Scripting through file preview feature in github.com/mattermost/mattermost-server
Open Source Vulnerabilities
GHSA-cffj-7w5c-jqjh
View original source
An issue was discovered in Mattermost Server before 3.5.1. XSS can occur via file preview.
05 / REFERENCES
Further evidence
- https://mattermost.com/security-updates/
- https://github.com/advisories/GHSA-cffj-7w5c-jqjh
- https://github.com/mattermost/mattermost
- https://github.com/mattermost/mattermost/commit/48533aa483879a19fdd2c1e09c596aa6c028d439
- https://mattermost.com/security-updates
- https://nvd.nist.gov/vuln/detail/CVE-2016-11063