SSRF in Discourse

CVE-2023-47121

Discourse is an open source platform for community discussion. Prior to version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches, the embedding feature is susceptible to server side request forgery. The issue is patched in version 3.1.3 of the `stable` branch and version 3.2.0.beta3 of the `beta` and `tests-passed` branches. As a workaround, disable the Embedding feature.

Vulnerability class: SSRF (Server-Side Request Forgery)

EPSS: 0.007 (49.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.4 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N.

Affected products

  • Discourse — versions >= 3.2.0.beta0, < 3.2.0.beta3, < 3.1.3, 3.2.0

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2023-47121?
CVE-2023-47121 is a low-severity vulnerability in Discourse, classified under Server-Side Request Forgery (SSRF). CVSS score: 3.4/10. Published 2023-11-10.
How severe is CVE-2023-47121?
Low severity. CVSS v3 base score is 3.4 out of 10.