CVE-2023-40588

high-risk
Published 2023-09-15

Discourse is an open-source discussion platform. Prior to version 3.1.1 of the `stable` branch and version 3.2.0.beta1 of the `beta` and `tests-passed` branches, a malicious user could add a 2FA or security key with a carefully crafted name to their account and cause a denial of service for other users. The issue is patched in version 3.1.1 of the `stable` branch and version 3.2.0.beta1 of the `beta` and `tests-passed` branches. There are no known workarounds.

Do I need to act?

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0.09% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
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Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
6
CVSS 6.5/10 Medium
NETWORK / LOW complexity

Affected Products (20)

Affected Vendors

Discourse

References (2)

Third Party Advisory https://github.com/discourse/discourse/security/advisories/GHSA-2hg5-3xm3-9vvx
Third Party Advisory https://github.com/discourse/discourse/security/advisories/GHSA-2hg5-3xm3-9vvx
57
/ 100
high-risk
Severity 24/34 · High
Exploitability 0/34 · Minimal
Exposure 33/34 · Critical