Vulnerability-Lookup

GHSA-95QR-67RX-9PGH

Vulnerability from github – Published: 2022-05-24 17:37 – Updated: 2023-08-23 13:41

Summary

Umbraco CMS vulnerable to stored XSS

Details

A stored XSS vulnerability exists in Umbraco CMS <= 8.9.1 or current. An authenticated user can inject arbitrary JavaScript code into iframes when editing content using the TinyMCE rich-text editor, as TinyMCE is configured to allow iframes by default in Umbraco CMS.

Severity

5.4 (Medium)


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

Show details on source website

JSON

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{
  "affected": [
    {
      "package": {
        "ecosystem": "NuGet",
        "name": "UmbracoCms.Core"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "last_affected": "8.9.1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2020-5809"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-79"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2023-07-13T22:32:02Z",
    "nvd_published_at": "2020-12-30T16:15:00Z",
    "severity": "MODERATE"
  },
  "details": "A stored XSS vulnerability exists in Umbraco CMS \u003c= 8.9.1 or current. An authenticated user can inject arbitrary JavaScript code into iframes when editing content using the TinyMCE rich-text editor, as TinyMCE is configured to allow iframes by default in Umbraco CMS.",
  "id": "GHSA-95qr-67rx-9pgh",
  "modified": "2023-08-23T13:41:55Z",
  "published": "2022-05-24T17:37:51Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2020-5809"
    },
    {
      "type": "PACKAGE",
      "url": "https://github.com/umbraco/Umbraco-CMS"
    },
    {
      "type": "WEB",
      "url": "https://www.tenable.com/security/research/tra-2020-59"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:L/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Umbraco CMS vulnerable to stored XSS"
}

CVE-2020-5809 (GCVE-0-2020-5809)

Vulnerability from cvelistv5 – Published: 2020-12-30 15:18 – Updated: 2024-08-04 08:39

Summary

Severity

No CVSS data available.

CWE

Stored Cross-Site Scripting

Assigner

tenable

References

1 reference

URL	Tags
https://www.tenable.com/security/research/tra-2020-59	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
n/a	Umbraco CMS	Affected: <= 8.9.1 or current (unfixed)

Show details on NVD website

JSON

To clipboard

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        "providerMetadata": {
          "dateUpdated": "2024-08-04T08:39:25.908Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
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          {
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              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://www.tenable.com/security/research/tra-2020-59"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "Umbraco CMS",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c= 8.9.1 or current (unfixed)"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "A stored XSS vulnerability exists in Umbraco CMS \u003c= 8.9.1 or current. An authenticated user can inject arbitrary JavaScript code into iframes when editing content using the TinyMCE rich-text editor, as TinyMCE is configured to allow iframes by default in Umbraco CMS."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "Stored Cross-Site Scripting",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2020-12-30T15:18:06.000Z",
        "orgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
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      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://www.tenable.com/security/research/tra-2020-59"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "vulnreport@tenable.com",
          "ID": "CVE-2020-5809",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "Umbraco CMS",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "\u003c= 8.9.1 or current (unfixed)"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "Stored Cross-Site Scripting"
                }
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          ]
        },
        "references": {
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              "refsource": "MISC",
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            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "5ac1ecc2-367a-4d16-a0b2-35d495ddd0be",
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    "datePublished": "2020-12-30T15:18:06.000Z",
    "dateReserved": "2020-01-06T00:00:00.000Z",
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}

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.

Action not permitted

GHSA-95QR-67RX-9PGH

CVE-2020-5809 (GCVE-0-2020-5809)

Tags

Sightings

Nomenclature