What is CVE-2023-45131?

CVE-2023-45131 is a high-severity vulnerability in Discourse, classified under Information Disclosure. CVSS score: 7.5/10. Published 2023-10-16.

How severe is CVE-2023-45131?

High severity. CVSS v3 base score is 7.5 out of 10.

Is CVE-2023-45131 known to be exploited?

2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Information disclosure in Discourse

CVE-2023-45131

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.

Vulnerability class: Information Disclosure

EPSS: 0.018 (76.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N.

Affected products

Discourse — versions stable < 3.1.2, 3.2.0, beta < 3.2.0.beta2

Weakness classification (CWE)

CWE-200 — Information Disclosure

Public proof-of-concept exploits

References

security-advisories@github.com (x_refsource_CONFIRM, Vendor Advisory)

Frequently asked questions

What is CVE-2023-45131?: CVE-2023-45131 is a high-severity vulnerability in Discourse, classified under Information Disclosure. CVSS score: 7.5/10. Published 2023-10-16.
How severe is CVE-2023-45131?: High severity. CVSS v3 base score is 7.5 out of 10.
Is CVE-2023-45131 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.