CVE-2022-39356
Discourse user account takeover via email and invite link
8.8
HIGH
CVSS 3.1
EPSS 0.32%
Description
Discourse is a platform for community discussion. Users who receive an invitation link that is not scoped to a single email address can enter any non-admin user's email and gain access to their account when accepting the invitation. All users should upgrade to the latest version. A workaround is temporarily disabling invitations with `SiteSetting.max_invites_per_day = 0` or scope them to individual email addresses.
How to fix CVE-2022-39356
To remediate CVE-2022-39356, upgrade the affected package to a fixed version below.
- —upgrade to 2.8.10 or later
Is CVE-2022-39356 being exploited?
Low — EPSS is 0.3%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 2.8.10
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |