CVE-2022-39356

Discourse user account takeover via email and invite link

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.

Category

8.9
CVSS
Severity: High
CVSS 3.1 •
EPSS 0.05%
Third-Party Advisory github.com Third-Party Advisory github.com
Affected: discourse discourse
Published at:
Updated at:

References

Link Tags
https://github.com/discourse/discourse/security/advisories/GHSA-x8w7-rwmr-w278 third party advisory
https://github.com/discourse/discourse/pull/18817 third party advisory patch

Frequently Asked Questions

What is the severity of CVE-2022-39356?
CVE-2022-39356 has been scored as a high severity vulnerability.
How to fix CVE-2022-39356?
To fix CVE-2022-39356, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-39356 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2022-39356 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2022-39356?
CVE-2022-39356 affects discourse discourse.
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