FKIE_CVE-2022-39226

Vulnerability from fkie_nvd - Published: 2022-09-29 20:15 - Updated: 2026-06-17 04:57
Severity
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
4.3 (Medium) - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L
Summary
Discourse is an open source discussion platform. In versions prior to 2.8.9 on the `stable` branch and prior to 2.9.0.beta10 on the `beta` and `tests-passed` branches, a malicious actor can add large payloads of text into the Location and Website fields of a user profile, which causes issues for other users when loading that profile. A fix to limit the length of user input for these fields is included in version 2.8.9 on the `stable` branch and version 2.9.0.beta10 on the `beta` and `tests-passed` branches. There are no known workarounds.
References
security-advisories@github.comhttps://github.com/discourse/discourse/commit/e69f7d2fd9c977dedbdb17f6813651e2a45bfb71Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/discourse/discourse/pull/18302Patch, Third Party Advisory
security-advisories@github.comhttps://github.com/discourse/discourse/security/advisories/GHSA-jw3q-xg5g-qjrwThird Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/discourse/discourse/commit/e69f7d2fd9c977dedbdb17f6813651e2a45bfb71Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/discourse/discourse/pull/18302Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://github.com/discourse/discourse/security/advisories/GHSA-jw3q-xg5g-qjrwThird 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
To clipboard 

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "discourse",
          "vendor": "discourse",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.8.9"
            },
            {
              "status": "affected",
              "version": "\u003e= 2.9.0.beta0, \u003c 2.9.0.beta10"
            }
          ]
        }
      ],
      "source": "security-advisories@github.com"
    }
  ],
  "configurations": [
    {
      "nodes": [
        {
          "cpeMatch": [
            {
              "criteria": "cpe:2.3:a:discourse:discourse:*:*:*:*:*:*:*:*",
              "matchCriteriaId": "3BC8F74E-6BEF-4A8C-AF34-A0FC24A1EDFE",
              "versionEndExcluding": "2.8.9",
              "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: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
            },
            {
              "criteria": "cpe:2.3:a:discourse:discourse:2.9.0:beta9:*:*:*:*:*:*",
              "matchCriteriaId": "5DEDE4C5-2C2A-4B74-BB41-8AAA0EE636E2",
              "vulnerable": true
            }
          ],
          "negate": false,
          "operator": "OR"
        }
      ]
    }
  ],
  "cveTags": [],
  "descriptions": [
    {
      "lang": "en",
      "value": "Discourse is an open source discussion platform. In versions prior to 2.8.9 on the `stable` branch and prior to 2.9.0.beta10 on the `beta` and `tests-passed` branches, a malicious actor can add large payloads of text into the Location and Website fields of a user profile, which causes issues for other users when loading that profile. A fix to limit the length of user input for these fields is included in version 2.8.9 on the `stable` branch and version 2.9.0.beta10 on the `beta` and `tests-passed` branches. There are no known workarounds."
    },
    {
      "lang": "es",
      "value": "Discourse es una plataforma de discusi\u00f3n de c\u00f3digo abierto. En versiones anteriores a 2.8.9 en la rama \"stable\" y anteriores a 2.9.0.beta10 en las ramas \"beta\" y \"tests-passed\", un actor malicioso puede a\u00f1adir grandes cargas de texto en los campos Location y Website de un perfil de usuario, lo que causa problemas a otros usuarios cuando es cargado ese perfil. En versi\u00f3n 2.8.9 de la rama \"stable\" y en la versi\u00f3n 2.9.0.beta10 de las ramas \"beta\" y \"tests-passed\" es incluida una correcci\u00f3n para limitar la longitud de la entrada del usuario en estos campos. No se presentan mitigaciones conocidas"
    }
  ],
  "id": "CVE-2022-39226",
  "lastModified": "2026-06-17T04:57:57.150",
  "metrics": {
    "cvssMetricV31": [
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "security-advisories@github.com",
        "type": "Secondary"
      },
      {
        "cvssData": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "LOW",
          "baseScore": 4.3,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "NONE",
          "privilegesRequired": "LOW",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L",
          "version": "3.1"
        },
        "exploitabilityScore": 2.8,
        "impactScore": 1.4,
        "source": "nvd@nist.gov",
        "type": "Primary"
      }
    ],
    "ssvcV203": [
      {
        "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
        "ssvcData": {
          "id": "CVE-2022-39226",
          "options": [
            {
              "exploitation": "none"
            },
            {
              "automatable": "no"
            },
            {
              "technicalImpact": "partial"
            }
          ],
          "role": "CISA Coordinator",
          "timestamp": "2025-04-23T13:56:59.870203Z",
          "version": "2.0.3"
        }
      }
    ]
  },
  "published": "2022-09-29T20:15:13.760",
  "references": [
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/discourse/discourse/commit/e69f7d2fd9c977dedbdb17f6813651e2a45bfb71"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/discourse/discourse/pull/18302"
    },
    {
      "source": "security-advisories@github.com",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/discourse/discourse/security/advisories/GHSA-jw3q-xg5g-qjrw"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/discourse/discourse/commit/e69f7d2fd9c977dedbdb17f6813651e2a45bfb71"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Patch",
        "Third Party Advisory"
      ],
      "url": "https://github.com/discourse/discourse/pull/18302"
    },
    {
      "source": "af854a3a-2127-422b-91ae-364da2661108",
      "tags": [
        "Third Party Advisory"
      ],
      "url": "https://github.com/discourse/discourse/security/advisories/GHSA-jw3q-xg5g-qjrw"
    }
  ],
  "sourceIdentifier": "security-advisories@github.com",
  "vulnStatus": "Modified",
  "weaknesses": [
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-20"
        },
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "security-advisories@github.com",
      "type": "Secondary"
    },
    {
      "description": [
        {
          "lang": "en",
          "value": "CWE-770"
        }
      ],
      "source": "nvd@nist.gov",
      "type": "Primary"
    }
  ]
}



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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.



Related by attack behaviour

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