6.1med

CVE-2016-11063

Mattermost Server vulnerable to Cross-site Scripting through file preview feature

Also known as GHSA-cffj-7w5c-jqjh, GO-2025-4045

Published 6 y ago · modified 4 mo ago · JSON

CVSS
6.1
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
0.7%
percentile 53%
Public exploits
0
none known

Summary

An issue was discovered in Mattermost Server before 3.5.1. XSS can occur via file preview.

Exploit prediction (EPSS)

0.69% probability of exploitation in the next 30 days, higher than 53% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.16.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N
NVD2.04.3AV:N/AC:M/Au:N/C:N/I:P/A:N
GitHub3.16.1CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

Affected packages

EcosystemPackageAffectedFixed in
gogithub.com/mattermost/mattermost-server
<3.5.1
<3.5.1+incompatible
3.5.1
3.5.1+incompatible

Classification

Weakness
  • CWE-79 Improper Neutralization of Input During Web Page Generation

References

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.