CVE-2021-41140

MediumCVSS 5.3/10Last modified Jun 17, 2026

Description

Discourse-reactions is a plugin for the Discourse platform that allows user to add their reactions to the post. In affected versions reactions given by user to secure topics and private messages are visible. This issue is patched in version 0.2 of discourse-reaction. Users who are unable to update are advised to disable the Discourse-reactions plugin in admin panel.

Metrics

CVSS 3.1 5.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

Weakness enumeration

CWE-668 CWE-200

Affected software

Vendor	Product	Versions
discourse	discourse-reactions	< 0.2

References

https://github.com/discourse/discourse-reactions/commit/213d90b82fd15c4186ebc290fee18817d9727d0dPatch, Third Party Advisory
https://github.com/discourse/discourse-reactions/security/advisories/GHSA-9358-hwg5-jrmhThird Party Advisory
https://github.com/discourse/discourse-reactions/commit/213d90b82fd15c4186ebc290fee18817d9727d0dPatch, Third Party Advisory
https://github.com/discourse/discourse-reactions/security/advisories/GHSA-9358-hwg5-jrmhThird Party Advisory

Timeline

Published: Oct 19, 2021
Last modified: Jun 17, 2026
NVD status: Modified

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