GCVE Workshop - 22 September 2026 (14:00-18:00), Luxembourg Before The Vulnopticon Conference - Registration

CVE-2023-47121 (GCVE-0-2023-47121)

Vulnerability from cvelistv5 – Published: 2023-11-10 15:13 – Updated: 2025-02-27 20:33
VLAI
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.
SSVC
Exploitation: none Automatable: no Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2025-02-26 21:48 UTC
CWE
  • CWE-918 - Server-Side Request Forgery (SSRF)
Impacted products
Vendor Product Version CPE status
discourse discourse Affected: < 3.1.3
Affected: >= 3.2.0.beta0, < 3.2.0.beta3
guessed Create a notification for this product.
Show details on NVD website

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-02T21:01:22.643Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "name": "https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc",
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc"
          },
          {
            "name": "https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1"
          },
          {
            "name": "https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6",
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2023-47121",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-26T21:48:16.816700Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-02-27T20:33:47.097Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "discourse",
          "vendor": "discourse",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 3.1.3"
            },
            {
              "status": "affected",
              "version": "\u003e= 3.2.0.beta0, \u003c 3.2.0.beta3"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "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."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 3.4,
            "baseSeverity": "LOW",
            "confidentialityImpact": "LOW",
            "integrityImpact": "NONE",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-918",
              "description": "CWE-918: Server-Side Request Forgery (SSRF)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-11-10T15:13:42.254Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc"
        },
        {
          "name": "https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1"
        },
        {
          "name": "https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6"
        }
      ],
      "source": {
        "advisory": "GHSA-hp24-94qf-8cgc",
        "discovery": "UNKNOWN"
      },
      "title": "Discourse SSRF vulnerability in Embedding"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-47121",
    "datePublished": "2023-11-10T15:13:42.254Z",
    "dateReserved": "2023-10-30T19:57:51.675Z",
    "dateUpdated": "2025-02-27T20:33:47.097Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1",
  "vulnerability-lookup:meta": {
    "epss": {
      "cve": "CVE-2023-47121",
      "date": "2026-09-18",
      "epss": "0.00692",
      "percentile": "0.51392"
    },
    "nvd": {
      "cve": {
        "affected": [
          {
            "affectedData": [
              {
                "product": "discourse",
                "vendor": "discourse",
                "versions": [
                  {
                    "status": "affected",
                    "version": "\u003c 3.1.3"
                  },
                  {
                    "status": "affected",
                    "version": "\u003e= 3.2.0.beta0, \u003c 3.2.0.beta3"
                  }
                ]
              }
            ],
            "source": "security-advisories@github.com"
          }
        ],
        "configurations": [
          {
            "nodes": [
              {
                "cpeMatch": [
                  {
                    "criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:stable:*:*:*",
                    "matchCriteriaId": "8E31336C-750D-4039-A89F-FF602B59098C",
                    "versionEndExcluding": "3.1.3",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:beta:*:*:*",
                    "matchCriteriaId": "E10444D1-B4E6-4EA7-A56E-95BD0FA3E39D",
                    "versionEndExcluding": "3.2.0",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:discourse:discourse:3.2.0:beta1:*:*:beta:*:*:*",
                    "matchCriteriaId": "1BFF647B-6CEF-43BF-BF5E-C82B557F78E2",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:a:discourse:discourse:3.2.0:beta2:*:*:beta:*:*:*",
                    "matchCriteriaId": "10D931DE-F8F5-4A34-A30A-FDD4420ABD1A",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "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."
          },
          {
            "lang": "es",
            "value": "Discourse es una plataforma de c\u00f3digo abierto para el debate comunitario. Antes de la versi\u00f3n 3.1.3 de la rama `stable` y la versi\u00f3n 3.2.0.beta3 de las ramas `beta` y `tests-passed`, la caracter\u00edstica de incrustaci\u00f3n es susceptible a Server-Side Request Forgery. El problema se solucion\u00f3 en la versi\u00f3n 3.1.3 de la rama \"stable\" y en la versi\u00f3n 3.2.0.beta3 de las ramas \"beta\" y \"tests-passed\". Como workaround, desactive la funci\u00f3n Embedding."
          }
        ],
        "id": "CVE-2023-47121",
        "lastModified": "2026-06-17T06:32:11.823",
        "metrics": {
          "cvssMetricV31": [
            {
              "cvssData": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 3.4,
                "baseSeverity": "LOW",
                "confidentialityImpact": "LOW",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N",
                "version": "3.1"
              },
              "exploitabilityScore": 1.6,
              "impactScore": 1.4,
              "source": "security-advisories@github.com",
              "type": "Secondary"
            },
            {
              "cvssData": {
                "attackComplexity": "LOW",
                "attackVector": "NETWORK",
                "availabilityImpact": "HIGH",
                "baseScore": 9.8,
                "baseSeverity": "CRITICAL",
                "confidentialityImpact": "HIGH",
                "integrityImpact": "HIGH",
                "privilegesRequired": "NONE",
                "scope": "UNCHANGED",
                "userInteraction": "NONE",
                "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
                "version": "3.1"
              },
              "exploitabilityScore": 3.9,
              "impactScore": 5.9,
              "source": "nvd@nist.gov",
              "type": "Primary"
            }
          ],
          "ssvcV203": [
            {
              "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "ssvcData": {
                "id": "CVE-2023-47121",
                "options": [
                  {
                    "exploitation": "none"
                  },
                  {
                    "automatable": "no"
                  },
                  {
                    "technicalImpact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-02-26T21:48:16.816700Z",
                "version": "2.0.3"
              }
            }
          ]
        },
        "published": "2023-11-10T16:15:33.663",
        "references": [
          {
            "source": "security-advisories@github.com",
            "tags": [
              "Patch"
            ],
            "url": "https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1"
          },
          {
            "source": "security-advisories@github.com",
            "tags": [
              "Patch"
            ],
            "url": "https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6"
          },
          {
            "source": "security-advisories@github.com",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch"
            ],
            "url": "https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Vendor Advisory"
            ],
            "url": "https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc"
          }
        ],
        "sourceIdentifier": "security-advisories@github.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-918"
              }
            ],
            "source": "security-advisories@github.com",
            "type": "Secondary"
          }
        ]
      }
    },
    "redhat_vex": {
      "current_release_date": "2025-05-28T22:35:36+00:00",
      "cve": "CVE-2023-47121",
      "id": "CVE-2023-47121",
      "initial_release_date": "2023-01-01T00:00:00+00:00",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "Discourse SSRF vulnerability in Embedding",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2023/cve-2023-47121.json",
      "version": "3"
    },
    "vulnrichment": {
      "containers": {
        "adp": [
          {
            "providerMetadata": {
              "dateUpdated": "2024-08-02T21:01:22.643Z",
              "orgId": "af854a3a-2127-422b-91ae-364da2661108",
              "shortName": "CVE"
            },
            "references": [
              {
                "name": "https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc",
                "tags": [
                  "x_refsource_CONFIRM",
                  "x_transferred"
                ],
                "url": "https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc"
              },
              {
                "name": "https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1",
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1"
              },
              {
                "name": "https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6",
                "tags": [
                  "x_refsource_MISC",
                  "x_transferred"
                ],
                "url": "https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6"
              }
            ],
            "title": "CVE Program Container"
          },
          {
            "metrics": [
              {
                "other": {
                  "content": {
                    "id": "CVE-2023-47121",
                    "options": [
                      {
                        "Exploitation": "none"
                      },
                      {
                        "Automatable": "no"
                      },
                      {
                        "Technical Impact": "partial"
                      }
                    ],
                    "role": "CISA Coordinator",
                    "timestamp": "2025-02-26T21:48:16.816700Z",
                    "version": "2.0.3"
                  },
                  "type": "ssvc"
                }
              }
            ],
            "providerMetadata": {
              "dateUpdated": "2025-02-26T19:55:30.972Z",
              "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
              "shortName": "CISA-ADP"
            },
            "title": "CISA ADP Vulnrichment"
          }
        ],
        "cna": {
          "affected": [
            {
              "product": "discourse",
              "vendor": "discourse",
              "versions": [
                {
                  "status": "affected",
                  "version": "\u003c 3.1.3"
                },
                {
                  "status": "affected",
                  "version": "\u003e= 3.2.0.beta0, \u003c 3.2.0.beta3"
                }
              ]
            }
          ],
          "descriptions": [
            {
              "lang": "en",
              "value": "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."
            }
          ],
          "metrics": [
            {
              "cvssV3_1": {
                "attackComplexity": "HIGH",
                "attackVector": "NETWORK",
                "availabilityImpact": "NONE",
                "baseScore": 3.4,
                "baseSeverity": "LOW",
                "confidentialityImpact": "LOW",
                "integrityImpact": "NONE",
                "privilegesRequired": "NONE",
                "scope": "CHANGED",
                "userInteraction": "REQUIRED",
                "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:C/C:L/I:N/A:N",
                "version": "3.1"
              }
            }
          ],
          "problemTypes": [
            {
              "descriptions": [
                {
                  "cweId": "CWE-918",
                  "description": "CWE-918: Server-Side Request Forgery (SSRF)",
                  "lang": "en",
                  "type": "CWE"
                }
              ]
            }
          ],
          "providerMetadata": {
            "dateUpdated": "2023-11-10T15:13:42.254Z",
            "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
            "shortName": "GitHub_M"
          },
          "references": [
            {
              "name": "https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc",
              "tags": [
                "x_refsource_CONFIRM"
              ],
              "url": "https://github.com/discourse/discourse/security/advisories/GHSA-hp24-94qf-8cgc"
            },
            {
              "name": "https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/discourse/discourse/commit/24cca10da731734af4e9748de99a508d586e59f1"
            },
            {
              "name": "https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6",
              "tags": [
                "x_refsource_MISC"
              ],
              "url": "https://github.com/discourse/discourse/commit/5f20748e402223b265e6fee381472c14e2604da6"
            }
          ],
          "source": {
            "advisory": "GHSA-hp24-94qf-8cgc",
            "discovery": "UNKNOWN"
          },
          "title": "Discourse SSRF vulnerability in Embedding"
        }
      },
      "cveMetadata": {
        "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "assignerShortName": "GitHub_M",
        "cveId": "CVE-2023-47121",
        "datePublished": "2023-11-10T15:13:42.254Z",
        "dateReserved": "2023-10-30T19:57:51.675Z",
        "dateUpdated": "2025-02-27T20:33:47.097Z",
        "state": "PUBLISHED"
      },
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}



Log in or create an account to share your comment.




Tags
Taxonomy of the tags.


Loading…

Loading…

Loading…

Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Loading…

Detection rules are retrieved from Rulezet.

Loading…

Loading…

Related by attack behaviour

Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.


Loading…