mattermost/mattermost · Security
Mattermost Server vulnerable to Denial of Service through `@` character prefix inserted into JavaScript field names
- GHSA ID
- GHSA-jc6w-8r7f-vmp5
- CVE ID
- CVE-2017-18871
- Severity
- high
- Published
- Updated
- CVSS
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CVSS v3
- 7.5 · CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Description
An issue was discovered in Mattermost Server before 4.5.0, 4.4.5, 4.3.4, and 4.2.2. It allows attackers to cause a denial of service (application crash) via an @ character before a JavaScript field name.
CWEs
- CWE-248 · Uncaught Exception