Vulnerability-Lookup

FKIE_CVE-2022-46148

Vulnerability from fkie_nvd - Published: 2022-11-29 17:15 - Updated: 2026-06-17 05:11

Severity

7.1 (High) - CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H
5.4 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N

Summary

Discourse is an open-source messaging platform. In versions 2.8.10 and prior on the `stable` branch and versions 2.9.0.beta11 and prior on the `beta` and `tests-passed` branches, users composing malicious messages and navigating to drafts page could self-XSS. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse’s default Content Security Policy. This issue is patched in the latest stable, beta and tests-passed versions of Discourse.

References

	URL	Tags
	security-advisories@github.com	https://github.com/discourse/discourse/security/advisories/GHSA-c5h6-6gg5-84fh	Third Party Advisory
	af854a3a-2127-422b-91ae-364da2661108	https://github.com/discourse/discourse/security/advisories/GHSA-c5h6-6gg5-84fh	Third Party Advisory

Impacted products

Vendor	Product	Version
discourse	discourse	*
discourse	discourse	2.9.0
discourse	discourse	2.9.0
discourse	discourse	2.9.0
discourse	discourse	2.9.0
discourse	discourse	2.9.0
discourse	discourse	2.9.0
discourse	discourse	2.9.0
discourse	discourse	2.9.0
discourse	discourse	2.9.0
discourse	discourse	2.9.0

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "discourse",
          "vendor": "discourse",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 2.8.10"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.9.0.beta1, \u003c= 2.9.0.beta11"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3EE6EE50-7170-4F48-B9E6-2C2042826E79",
              "versionEndIncluding": "2.8.10",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.9.0:beta1:*:*:*:*:*:*",
              "matchCriteriaId": "B3803EF9-A296-42B7-887F-93C5E68E94C4",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.9.0:beta10:*:*:*:*:*:*",
              "matchCriteriaId": "35BAC488-3622-4B0B-B8EA-879E8C68E8CF",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.9.0:beta11:*:*:*:*:*:*",
              "matchCriteriaId": "406A23B4-B971-4DC8-A132-EE9854FE8546",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.9.0:beta2:*:*:*:*:*:*",
              "matchCriteriaId": "8BA3D313-3C11-43E2-A47D-CBB532D1B6F8",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.9.0:beta3:*:*:*:*:*:*",
              "matchCriteriaId": "6F42673E-65F3-4807-9484-20CB747420FB",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.9.0:beta4:*:*:*:*:*:*",
              "matchCriteriaId": "0B91D023-FCE5-4866-AD8B-BBB675763104",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.9.0:beta5:*:*:*:*:*:*",
              "matchCriteriaId": "0086484D-0164-449C-8AAE-BE7479CB9706",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.9.0:beta6:*:*:*:*:*:*",
              "matchCriteriaId": "F9D1B031-96C7-44C0-A0A0-F67ABE55C93C",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.9.0:beta7:*:*:*:*:*:*",
              "matchCriteriaId": "750D2AD9-35E7-4AC7-9C22-AA90DAA34F3F",
              "vulnerable": true
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.9.0:beta8:*:*:*:*:*:*",
              "matchCriteriaId": "B68E308A-BDAB-4614-A563-4460F7996CBE",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Discourse is an open-source messaging platform. In versions 2.8.10 and prior on the `stable` branch and versions 2.9.0.beta11 and prior on the `beta` and `tests-passed` branches, users composing malicious messages and navigating to drafts page could self-XSS. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse\u2019s default Content Security Policy. This issue is patched in the latest stable, beta and tests-passed versions of Discourse."
    },
    {
      "lang": "es",
      "value": "Discourse es una plataforma de mensajer\u00eda de c\u00f3digo abierto. En las versiones 2.8.10 y anteriores en la rama \"stable\" y en las versiones 2.9.0.beta11 y anteriores en las ramas \"beta\" y \"tests-passed\", los usuarios que redactaban mensajes maliciosos y navegaban a la p\u00e1gina de borradores pod\u00edan realizado un auto-XSS. Esta vulnerabilidad puede provocar un XSS completo en sitios que han modificado o deshabilitado la Pol\u00edtica de Seguridad de Contenido predeterminada de Discourse. Este problema est\u00e1 solucionado en las \u00faltimas versiones stable, beta y tests-passed de Discourse."
    }
  ],
  "id": "CVE-2022-46148",
  "lastModified": "2026-06-17T05:11:18.270",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "HIGH",
          "attackVector": "NETWORK",
          "availabilityImpact": "HIGH",
          "baseScore": 7.1,
          "baseSeverity": "HIGH",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
          "version": "3.1"
        },
        "exploitabilityScore": 1.2,
        "impactScore": 5.9,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 5.4,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "LOW",
          "integrityImpact": "LOW",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
          "version": "3.1"
        },
        "exploitabilityScore": 2.3,
        "impactScore": 2.7,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-46148",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "total"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-23T15:46:22.564608Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-11-29T17:15:11.370",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/discourse/discourse/security/advisories/GHSA-c5h6-6gg5-84fh"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/discourse/discourse/security/advisories/GHSA-c5h6-6gg5-84fh"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-79"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    }
  ]
}

CVE-2022-46148 (GCVE-0-2022-46148)

Vulnerability from cvelistv5 – Published: 2022-11-29 00:00 – Updated: 2025-04-23 16:34

Title

Discourse allows self-XSS through malicious composer message

Summary

Severity

7.1 (High)


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

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-04-23 15:46 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

GitHub_M mitre root

References

1 reference

URL	Tags
https://github.com/discourse/discourse/security/a…

Impacted products

1 product

Vendor	Product	Version
discourse	discourse	Affected: <= 2.8.10 Affected: >= 2.9.0.beta1, <= 2.9.0.beta11

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T14:24:03.358Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_transferred"
            ],
            "url": "https://github.com/discourse/discourse/security/advisories/GHSA-c5h6-6gg5-84fh"
          }
        ],
        "title": "CVE Program Container"
      },
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2022-46148",
                "options": [
                  {
                    "Exploitation": "none"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "total"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-04-23T15:46:22.564608Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-04-23T16:34:02.080Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "discourse",
          "vendor": "discourse",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 2.8.10"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.9.0.beta1, \u003c= 2.9.0.beta11"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Discourse is an open-source messaging platform. In versions 2.8.10 and prior on the `stable` branch and versions 2.9.0.beta11 and prior on the `beta` and `tests-passed` branches, users composing malicious messages and navigating to drafts page could self-XSS. This vulnerability can lead to a full XSS on sites which have modified or disabled Discourse\u2019s default Content Security Policy. This issue is patched in the latest stable, beta and tests-passed versions of Discourse."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 7.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:L/UI:R/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-11-29T00:00:00.000Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "url": "https://github.com/discourse/discourse/security/advisories/GHSA-c5h6-6gg5-84fh"
        }
      ],
      "source": {
        "advisory": "GHSA-c5h6-6gg5-84fh",
        "discovery": "UNKNOWN"
      },
      "title": "Discourse allows self-XSS through malicious composer message"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2022-46148",
    "datePublished": "2022-11-29T00:00:00.000Z",
    "dateReserved": "2022-11-28T00:00:00.000Z",
    "dateUpdated": "2025-04-23T16:34:02.080Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base model, served locally by ML-Gateway. They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.

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.