Description
Discourse-reactions is a plugin that allows user to add their reactions to the post in the Discourse messaging platform. In affected versions data about what reactions were performed on a post in a private topic could be leaked. This issue has been addressed in version 0.3. Users are advised to upgrade. Users unable to upgrade should disable the discourse-reactions plugin to fully mitigate the issue.
References (2)
Core 2
Core References
Vendor Advisory x_refsource_confirm
https://github.com/discourse/discourse-reactions/security/advisories/GHSA-4cgc-c7vh-94g6
Scores
CVSS v3
4.3
EPSS
0.0024
EPSS Percentile
46.7%
Attack Vector
NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
CISA SSVC
Vulnrichment
Exploitation
none
Automatable
no
Technical Impact
partial
Details
CWE
CWE-200
Status
published
Products (1)
discourse/reactions
0.2
Published
Apr 19, 2023
Tracked Since
Feb 18, 2026