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Vulnerability record · CVE-2023-47121 · published 10 November 2023

CVE-2023-47121: Discourse server-side request forgery (ssrf) vulnerability

Discourse · Discourse

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.

9.8 CVSS 3.1 Critical EPSS 0.69% · top 49.0% CWE-918 · Server-side request forgery (SSRF)
9.8CVSS 3.1 base score
0.69%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
6References
17 Jun 2026Last modified by NVD

Description

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.

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1 Patch
https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6 Patch
https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc Vendor Advisory
https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1 Patch
https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6 Patch
https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc Vendor Advisory

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2023-47121), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.