Vulnerability-Lookup

GSD-2020-5809

Vulnerability from gsd - Updated: 2023-12-13 01:22

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.

Aliases

CVE-2020-5809

Aliases

CVE-2020-5809

JSON

To clipboard

{
  "GSD": {
    "alias": "CVE-2020-5809",
    "description": "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": "GSD-2020-5809"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
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      "id": "GSD-2020-5809",
      "modified": "2023-12-13T01:22:03.150306Z",
      "schema_version": "1.4.0"
    }
  },
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                    "version": {
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      "problemtype": {
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          "cwe_ids": [
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            "CWE-79",
            "CWE-937"
          ],
          "date": "2023-07-13",
          "description": "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.",
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          "pubdate": "2022-05-24",
          "solution": "Unfortunately, there is no solution available yet.",
          "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
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          "cwe_ids": [
            "CWE-1035",
            "CWE-79",
            "CWE-937"
          ],
          "date": "2021-01-04",
          "description": "A stored XSS vulnerability exists in Umbraco CMS. 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.",
          "fixed_versions": [
            "8.9.2"
          ],
          "identifier": "CVE-2020-5809",
          "identifiers": [
            "CVE-2020-5809"
          ],
          "not_impacted": "All versions after 8.9.1",
          "package_slug": "nuget/UmbracoCms",
          "pubdate": "2020-12-30",
          "solution": "Upgrade to version 8.9.2 or above.",
          "title": "Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-5809",
            "https://www.tenable.com/security/research/tra-2020-59"
          ],
          "uuid": "255fa209-6108-48bc-9b7b-abe07c564117"
        }
      ]
    },
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                "vulnerable": true
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      "impact": {
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          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "SINGLE",
            "availabilityImpact": "NONE",
            "baseScore": 3.5,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:S/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 6.8,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "LOW",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "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
        }
      },
      "lastModifiedDate": "2021-01-04T19:35Z",
      "publishedDate": "2020-12-30T16:15Z"
    }
  }
}

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 mitre root Scorecard

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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          "dateUpdated": "2024-08-04T08:39:25.908Z",
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            "url": "https://www.tenable.com/security/research/tra-2020-59"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "Umbraco CMS",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
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            }
          ]
        }
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        }
      ],
      "problemTypes": [
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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.

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.

Action not permitted

GSD-2020-5809

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

Tags

Sightings

Nomenclature

Related by attack behaviour