What is CVE-2023-37467?

CVE-2023-37467 is a medium-severity vulnerability in Discourse, classified under Reusing a Nonce, Key Pair in Encryption. CVSS score: 6.8/10. Published 2023-07-28.

How severe is CVE-2023-37467?

Medium severity. CVSS v3 base score is 6.8 out of 10.

Is CVE-2023-37467 known to be exploited?

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

Vulnerability in Discourse

CVE-2023-37467

Discourse is an open source discussion platform. Prior to version 3.1.0.beta7 of the `beta` and `tests-passed` branches, a CSP (Content Security Policy) nonce reuse vulnerability was discovered could allow cross-site scripting (XSS) attack…

EPSS: 0.002 (40.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.8 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:N.

Affected products

Discourse — versions >= 3.1.0.beta1, < 3.1.0.beta7

Weakness classification (CWE)

CWE-323 — Reusing a Nonce, Key Pair in Encryption

Public proof-of-concept exploits

References

https://github.com/discourse/discourse/security/advisories/GHSA-gr5h-hm62-jr3j (x_refsource_CONFIRM)
https://github.com/discourse/discourse/commit/0976c8fad6970b6182e7837bf87de07709407f25 (x_refsource_MISC)

Frequently asked questions

What is CVE-2023-37467?: CVE-2023-37467 is a medium-severity vulnerability in Discourse, classified under Reusing a Nonce, Key Pair in Encryption. CVSS score: 6.8/10. Published 2023-07-28.
How severe is CVE-2023-37467?: Medium severity. CVSS v3 base score is 6.8 out of 10.
Is CVE-2023-37467 known to be exploited?: 2 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.