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Discourse SSRF vulnerability in Embedding

Type: advisorySources: OSV

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.

Products
Not specified
Affected versions
Not specified
Fixed versions
Not specified
CVEs
CVE-2023-47121
Confirmed fixed CVEs
Not specified
Updated in this feed
2 Nov 2026, 17:11 UTC · Revision 1

Source evidence

Discourse SSRF vulnerability in Embedding

core-osv · Original source

Published 10 Nov 2023, 15:13 UTC

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.

osv:CVE-2023-47121
Complete source record
{
  "id": "7bcfde0fb4355beedac1f679911cf2ed027981731c9e3eec013ce78a2c9e7aed",
  "url": "https://osv.dev/vulnerability/CVE-2023-47121",
  "method": "structured",
  "payload": {
    "kind": "advisory",
    "title": "Discourse SSRF vulnerability in Embedding",
    "summary": "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.",
    "evidence": "osv:CVE-2023-47121",
    "products": [],
    "severity": "low",
    "structured": {
      "id": "CVE-2023-47121",
      "aliases": [
        "BIT-discourse-2023-47121",
        "CVE-2023-47121",
        "GHSA-hp24-94qf-8cgc"
      ],
      "metrics": [
        {
          "type": "CVSS_V3",
          "score": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N"
        }
      ],
      "affected": [
        {
          "ranges": [
            {
              "repo": "https://github.com/discourse/discourse",
              "type": "GIT",
              "events": [
                {
                  "introduced": "0"
                },
                {
                  "fixed": "4f64a829e552993a9e6fcc7f77b826f56683551d"
                },
                {
                  "fixed": "f9502188a646cdb286ae6572ad6198c711ecdea8"
                },
                {
                  "introduced": "a9cc379121e30f86128677c71dbb42c30100598a"
                },
                {
                  "fixed": "24cca10da731734af4e9748de99a508d586e59f1"
                },
                {
                  "fixed": "5f20748e402223b265e6fee381472c14e2604da6"
                }
              ],
              "database_specific": {
                "extracted_events": [
                  {
                    "cpe": "cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.1.3"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*",
                    "range": [
                      {
                        "introduced": "0"
                      },
                      {
                        "fixed": "3.2.0"
                      }
                    ],
                    "source": "CPE_RANGE"
                  },
                  {
                    "cpe": "cpe:2.3:a:discourse:discourse:3.2.0:beta1:*:*:beta:*:*:*",
                    "range": [
                      {
                        "introduced": "3.2.0-beta1"
                      },
                      {
                        "last_affected": "3.2.0-beta1"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "cpe": "cpe:2.3:a:discourse:discourse:3.2.0:beta2:*:*:beta:*:*:*",
                    "range": [
                      {
                        "introduced": "3.2.0-beta2"
                      },
                      {
                        "last_affected": "3.2.0-beta2"
                      }
                    ],
                    "source": "CPE_STRING"
                  },
                  {
                    "range": [
                      {
                        "fixed": "24cca10da731734af4e9748de99a508d586e59f1"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  },
                  {
                    "range": [
                      {
                        "fixed": "5f20748e402223b265e6fee381472c14e2604da6"
                      }
                    ],
                    "source": "REFERENCES_COMMIT"
                  }
                ]
              }
            }
          ],
          "versions": [
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          "database_specific": {
            "source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-47121.json"
          }
        }
      ],
      "modified": "2026-10-28T02:30:21.590439624Z",
      "provider": "osv",
      "references": [
        "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47121.json",
        "https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc",
        "https://nvd.nist.gov/vuln/detail/CVE-2023-47121",
        "https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1",
        "https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6"
      ],
      "provider_metadata": {
        "cwe_ids": [
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        "cna_assigner": "GitHub_M",
        "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/47xxx/CVE-2023-47121.json"
      }
    },
    "related_cves": [
      {
        "value": "CVE-2023-47121",
        "evidence": "/id"
      }
    ],
    "security_relevant": true,
    "severity_evidence": "/severity/0/score"
  },
  "source_id": "core-osv",
  "document_id": 487575,
  "published_at": "2023-11-10T15:13:42.254+00:00"
}