Vulnerability · Published Oct 16, 2023 · Assigned by GitHub_M

CVE-2023-45131Unauthenticated access to new private chat messages in Discourse

High 7.5

In plain English

A high-severity information exposure in discourse from discourse. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 4.0% (higher than 91% of all known vulnerabilities).

Severity (CVSS 3.1)7.5High

Exploit odds (30 days)4.0%top 9.3% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

Discourse is an open source platform for community discussion. New chat messages can be read by making an unauthenticated POST request to MessageBus. This issue is patched in the 3.1.1 stable and 3.2.0.beta2 versions of Discourse. Users are advised to upgrade. There are no known workarounds for this vulnerability.

Affected products (as reported)

Vendor	Product	Versions
discourse	discourse	stable < 3.1.2beta < 3.2.0.beta2

Weakness: CWE-200 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

References

https://github.com/discourse/discourse/security/advisories/GHSA-84gf-hhrc-9pw6 x_refsource_CONFIRM