github - ghsa-mjxr-4v3x-q3m4

ghsa-mjxr-4v3x-q3m4

Vulnerability from github

Published

2021-05-06 16:10

Modified

2021-03-29 23:13

Severity

5.3 (Medium) - CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N

Summary

Improper Input Validation in sanitize-html

Details

Apostrophe Technologies sanitize-html before 2.3.2 does not properly validate the hostnames set by the "allowedIframeHostnames" option when the "allowIframeRelativeUrls" is set to true, which allows attackers to bypass hostname whitelist for iframe element, related using an src value that starts with "/\example.com".

Show details on source website

{
  "affected": [
    {
      "package": {
        "ecosystem": "npm",
        "name": "sanitize-html"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.3.2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "aliases": [
    "CVE-2021-26540"
  ],
  "database_specific": {
    "cwe_ids": [
      "CWE-20"
    ],
    "github_reviewed": true,
    "github_reviewed_at": "2021-03-29T23:13:11Z",
    "nvd_published_at": "2021-02-08T17:15:00Z",
    "severity": "MODERATE"
  },
  "details": "Apostrophe Technologies sanitize-html before 2.3.2 does not properly validate the hostnames set by the \"allowedIframeHostnames\" option when the \"allowIframeRelativeUrls\" is set to true, which allows attackers to bypass hostname whitelist for iframe element, related using an src value that starts with \"/\\\\example.com\".",
  "id": "GHSA-mjxr-4v3x-q3m4",
  "modified": "2021-03-29T23:13:11Z",
  "published": "2021-05-06T16:10:19Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://nvd.nist.gov/vuln/detail/CVE-2021-26540"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apostrophecms/sanitize-html/pull/460"
    },
    {
      "type": "WEB",
      "url": "https://advisory.checkmarx.net/advisory/CX-2021-4309"
    },
    {
      "type": "WEB",
      "url": "https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#232-2021-01-26"
    }
  ],
  "schema_version": "1.4.0",
  "severity": [
    {
      "score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N",
      "type": "CVSS_V3"
    }
  ],
  "summary": "Improper Input Validation in sanitize-html"
}

cve-2021-26540

Vulnerability from cvelistv5

Published

2021-02-08 16:16

Modified

2024-08-03 20:26

Severity

Summary

Apostrophe Technologies sanitize-html before 2.3.2 does not properly validate the hostnames set by the "allowedIframeHostnames" option when the "allowIframeRelativeUrls" is set to true, which allows attackers to bypass hostname whitelist for iframe element, related using an src value that starts with "/\\example.com".

References

URL	Tags
https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#232-2021-01-26	x_refsource_MISC
https://github.com/apostrophecms/sanitize-html/pull/460	x_refsource_MISC
https://advisory.checkmarx.net/advisory/CX-2021-4309	x_refsource_MISC

Impacted products

Vendor	Product
n/a	n/a

Show details on NVD website

{
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    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T20:26:25.388Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
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        },
        "references": [
          {
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              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/apostrophecms/sanitize-html/blob/main/CHANGELOG.md#232-2021-01-26"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/apostrophecms/sanitize-html/pull/460"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://advisory.checkmarx.net/advisory/CX-2021-4309"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
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        }
      ],
      "descriptions": [
        {
          "lang": "en",
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        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-03-25T22:01:14",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
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        },
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          ],
          "url": "https://github.com/apostrophecms/sanitize-html/pull/460"
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          ],
          "url": "https://advisory.checkmarx.net/advisory/CX-2021-4309"
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      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-26540",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
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                },
                "vendor_name": "n/a"
              }
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        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
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            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
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                  "lang": "eng",
                  "value": "n/a"
                }
              ]
            }
          ]
        },
        "references": {
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            },
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              "refsource": "MISC",
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            },
            {
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              "refsource": "MISC",
              "url": "https://advisory.checkmarx.net/advisory/CX-2021-4309"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-26540",
    "datePublished": "2021-02-08T16:16:07",
    "dateReserved": "2021-02-01T00:00:00",
    "dateUpdated": "2024-08-03T20:26:25.388Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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