CVSS 3.1
6.1 mediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:NCVE-2021-37860
Medium (6.1) in mattermost mattermost. EPSS 0.6% chance of exploitation in the next 30 days. Fixed in github.com/mattermost/mattermost-server/v5 5.39.0.
Mattermost 5.38 and earlier fails to sufficiently sanitize clipboard contents, which allows a user-assisted attacker to inject arbitrary web script in product deployments that explicitly disable the default CSP.
Severity
- EPSS
- 0.6% chance of exploitation in the next 30 days; higher than 50% of CVEs (scores of 2026-10-31)
- CWE
- CWE-79
- Published
- Modified
- Record from
- the NVD, synced
Affected
- mattermost:mattermost
Packages (OSV)
| Advisory | Ecosystem | Package | Affected | Fixed in |
|---|---|---|---|---|
| GHSA-hv5f-73mr-7vvj | Go | github.com/mattermost/mattermost-server/v5 | <5.39.0 | 5.39.0 |
| GO-2022-0604 | Go | github.com/mattermost/mattermost-server | all versions | no fix published |
| GO-2022-0604 | Go | github.com/mattermost/mattermost-server/v5 | <5.39.0 | 5.39.0 |