CVE-2021-41140 Reactions leak for secure category topics and private messages
Attackers can view reactions on secure topics and private messages, exposing user interactions. Discourse administrators should upgrade the plugin or disable it.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2021-41140?
CVE-2021-41140 is a medium-severity vulnerability in discourse-reactions, published on 19 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2021-41140?
It affects 1 product.
Products include Discourse Discourse Reactions.
How do I fix CVE-2021-41140?
No fix has been published for CVE-2021-41140 yet. Limit exposure of the affected software until one is available.
Is CVE-2021-41140 being exploited?
There is no known exploitation of CVE-2021-41140 in the wild and no public exploit code.
Other vulnerabilities in discourse-reactions
Sources
Also known as GHSA-9358-hwg5-jrmh.