CVE-2023-34250

Discourse vulnerable to exposure of number of topics recently created in private categories

Description

Discourse is an open source discussion platform. Prior to version 3.0.4 of the `stable` branch and version 3.1.0.beta5 of the `beta` and `tests-passed` branches, an attacker could use the new topics dismissal endpoint to reveal the number of topics recently created (but not the actual content thereof) in categories they didn't have access to. This issue is patched in version 3.0.4 of the `stable` branch and version 3.1.0.beta5 of the `beta` and `tests-passed` branches. There are no known workarounds.

Categories

4.8
CVSS
Severity: Medium
CVSS 3.1 •
EPSS 0.11%
Vendor Advisory github.com
Affected: discourse discourse
Published at:
Updated at:

References

Link Tags
https://github.com/discourse/discourse/security/advisories/GHSA-q8m5-wmjr-3ppg vendor advisory

Frequently Asked Questions

What is the severity of CVE-2023-34250?
CVE-2023-34250 has been scored as a medium severity vulnerability.
How to fix CVE-2023-34250?
To fix CVE-2023-34250, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2023-34250 being actively exploited in the wild?
As for now, there are no information to confirm that CVE-2023-34250 is being actively exploited. According to its EPSS score, there is a ~0% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
What software or system is affected by CVE-2023-34250?
CVE-2023-34250 affects discourse discourse.
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