Headline
CVE-2023-43814: Exposure of poll options and votes to unauthorized users
Discourse is an open source platform for community discussion. Attackers with details specific to a poll in a topic can use the /polls/grouped_poll_results endpoint to view the content of options in the poll and the number of votes for groups of poll participants. This impacts private polls where the results were intended to only be viewable by authorized users. This issue is patched in the 3.1.1 stable and 3.2.0.beta2 versions of Discourse. There is no workaround for this issue apart from upgrading to the fixed version.
Package
Discourse (Discourse)
Affected versions
stable <= 3.1.1; beta <= 3.2.0.beta2; tests-passed <= 3.2.0.beta2
Patched versions
stable > 3.1.1; beta > 3.2.0.beta2; tests-passed > 3.2.0.beta2
Description
Impact
Attackers with details specific to a poll in a topic can use the /polls/grouped_poll_results endpoint to view the content of options in the poll and the number of votes for groups of poll participants. This impacts private polls where the results were intended to only be viewable by authorized users.
Patches
This issue is patched in the latest stable, beta and tests-passed versions of Discourse.
Workarounds
There is no workaround for this issue apart from upgrading to the fixed version.