CVE-2021-37693

Re-use of email tokens in Discourse

Published Aug 13, 2021 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta4, when adding additional email addresses to an existing account on a Discourse site an email token is generated as part of the email verification process. Deleting the additional email address does not invalidate an unused token which can then be used in other contexts, including reseting a password.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
EUVD EUVD EUVD-2021-24190 Discourse is an open-source platform for community discussion. In Discourse before versions 2.7.8 and 2.8.0.beta4, when adding additional email addresses to an existing account on a Discourse site an email token is generated as part of the email verification process. Deleting the additional email address does not invalidate an unused token which can then be used in other contexts, including reseting a password.
History

No history.

Weaknesses

Sources

Status
PUBLISHED
Assigner
GitHub_M
Published
Updated
Aug 4, 2024, 1:23 AM
Reserved
Jul 29, 2021, 12:00 AM
Status
Modified
Published
Aug 13, 2021, 4:15 PM
Modified
Jun 17, 2026, 4:00 AM