CVE-2017-18904
unknown
CVSS v3
—
CVSS v4 NEW
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VIR risk
—
Description
Mattermost Server vulnerable to XSS via an uploaded file in github.com/mattermost/mattermost-server
Predictions
Exploit likelihood
30%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Package impact
| Ecosystem | Package | Vulnerable | Fixed |
|---|---|---|---|
| Go | github.com/mattermost/mattermost-server | <3.9.2 | 3.9.2 |
| Go | github.com/mattermost/mattermost-server | >=3.10.0,<3.10.2 | 3.10.2 |
| Go | github.com/mattermost/mattermost-server | >=3.10.0+incompatible,<3.10.2+incompatible | 3.9.2+incompatible |
References
- https://nvd.nist.gov/vuln/detail/CVE-2017-18904
- https://github.com/mattermost/mattermost/commit/6a2754376c8c8270be5e11e3fdab589659d0cc8d
- https://github.com/mattermost/mattermost/commit/bde06a7bc3a03a56da224c1ffcd8bffb0af8071b
- https://github.com/mattermost/mattermost/commit/f06c5bef4d78966c60b153bbec6eea4ec0be9e68
- https://github.com/mattermost/mattermost
- https://mattermost.com/security-updates
- https://github.com/advisories/GHSA-8pff-p3gx-w4jf
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.