gsd-2020-26298
Vulnerability from gsd
Modified
2021-01-11 00:00
Details
Redcarpet is a Ruby library for Markdown processing. In Redcarpet before version 3.5.1, there is an injection vulnerability which can enable a cross-site scripting attack. In affected versions no HTML escaping was being performed when processing quotes. This applies even when the `:escape_html` option was being used.
Aliases
Aliases
CVE-2020-26298


To clipboard 

{
  "GSD": {
    "alias": "CVE-2020-26298",
    "description": "Redcarpet is a Ruby library for Markdown processing. In Redcarpet before version 3.5.1, there is an injection vulnerability which can enable a cross-site scripting attack. In affected versions no HTML escaping was being performed when processing quotes. This applies even when the `:escape_html` option was being used. This is fixed in version 3.5.1 by the referenced commit.",
    "id": "GSD-2020-26298",
    "references": [
      "https://www.suse.com/security/cve/CVE-2020-26298.html",
      "https://www.debian.org/security/2021/dsa-4831"
    ]
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "affected": [
        {
          "package": {
            "ecosystem": "RubyGems",
            "name": "redcarpet",
            "purl": "pkg:gem/redcarpet"
          }
        }
      ],
      "aliases": [
        "CVE-2020-26298",
        "GHSA-q3wr-qw3g-3p4h"
      ],
      "details": "Redcarpet is a Ruby library for Markdown processing. In Redcarpet before\nversion 3.5.1, there is an injection vulnerability which can enable a cross-site\nscripting attack. In affected versions no HTML escaping was being performed when\nprocessing quotes. This applies even when the `:escape_html` option was being used.\n",
      "id": "GSD-2020-26298",
      "modified": "2021-01-11T00:00:00.000Z",
      "published": "2021-01-11T00:00:00.000Z",
      "references": [
        {
          "type": "WEB",
          "url": "https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793"
        },
        {
          "type": "WEB",
          "url": "https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security"
        }
      ],
      "schema_version": "1.4.0",
      "severity": [
        {
          "score": 6.8,
          "type": "CVSS_V3"
        }
      ],
      "summary": "Injection/XSS in Redcarpet"
    }
  },
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      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "redcarpet",
                    "version": {
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                        {
                          "version_value": "\u003c 3.5.1"
                        }
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          }
        ]
      },
      "generator": {
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      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.8,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "NONE",
          "integrityImpact": "HIGH",
          "privilegesRequired": "LOW",
          "scope": "CHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:N/I:H/A:N",
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              }
            ]
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        ]
      },
      "source": {
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        "discovery": "UNKNOWN"
      }
    },
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      "cve": "2020-26298",
      "cvss_v3": 6.8,
      "date": "2021-01-11",
      "description": "Redcarpet is a Ruby library for Markdown processing. In Redcarpet before\nversion 3.5.1, there is an injection vulnerability which can enable a cross-site\nscripting attack. In affected versions no HTML escaping was being performed when\nprocessing quotes. This applies even when the `:escape_html` option was being used.\n",
      "gem": "redcarpet",
      "ghsa": "q3wr-qw3g-3p4h",
      "patched_versions": [
        "\u003e= 3.5.1"
      ],
      "related": {
        "url": [
          "https://github.com/vmg/redcarpet/blob/master/CHANGELOG.md#version-351-security"
        ]
      },
      "title": "Injection/XSS in Redcarpet",
      "url": "https://github.com/vmg/redcarpet/commit/a699c82292b17c8e6a62e1914d5eccc252272793"
    },
    "gitlab.com": {
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          "affected_versions": "All versions before 3.5.1",
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          "cwe_ids": [
            "CWE-1035",
            "CWE-74",
            "CWE-79",
            "CWE-937"
          ],
          "date": "2021-01-16",
          "description": "In Redcarpet there is an injection vulnerability which can enable a cross-site scripting attack. This applies even when the `:escape_html` option was being used.",
          "fixed_versions": [
            "3.5.1"
          ],
          "identifier": "CVE-2020-26298",
          "identifiers": [
            "CVE-2020-26298",
            "GHSA-q3wr-qw3g-3p4h"
          ],
          "not_impacted": "All versions starting from 3.5.1",
          "package_slug": "gem/redcarpet",
          "pubdate": "2021-01-11",
          "solution": "Upgrade to version 3.5.1 or above.",
          "title": "Cross-site Scripting",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-26298"
          ],
          "uuid": "56f92ad4-5011-4d9c-bc60-0e136c6cba22"
        }
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              }
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      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "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": "2023-05-09T04:15Z",
      "publishedDate": "2021-01-11T19:15Z"
    }
  }
}


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