GSD-2020-7773

Vulnerability from gsd - Updated: 2023-12-13 01:21
Details
This affects the package markdown-it-highlightjs before 3.3.1. It is possible insert malicious JavaScript as a value of lang in the markdown-it-highlightjs Inline code highlighting feature. const markdownItHighlightjs = require("markdown-it-highlightjs"); const md = require('markdown-it'); const reuslt_xss = md() .use(markdownItHighlightjs, { inline: true }) .render('console.log(42){.">js}'); console.log(reuslt_xss);
Aliases
Aliases
CVE-2020-7773
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{
  "GSD": {
    "alias": "CVE-2020-7773",
    "description": "This affects the package markdown-it-highlightjs before 3.3.1. It is possible insert malicious JavaScript as a value of lang in the markdown-it-highlightjs Inline code highlighting feature. const markdownItHighlightjs = require(\"markdown-it-highlightjs\"); const md = require(\u0027markdown-it\u0027); const reuslt_xss = md() .use(markdownItHighlightjs, { inline: true }) .render(\u0027console.log(42){.\"\u003ejs}\u0027); console.log(reuslt_xss);",
    "id": "GSD-2020-7773"
  },
  "gsd": {
    "metadata": {
      "exploitCode": "unknown",
      "remediation": "unknown",
      "reportConfidence": "confirmed",
      "type": "vulnerability"
    },
    "osvSchema": {
      "aliases": [
        "CVE-2020-7773"
      ],
      "details": "This affects the package markdown-it-highlightjs before 3.3.1. It is possible insert malicious JavaScript as a value of lang in the markdown-it-highlightjs Inline code highlighting feature. const markdownItHighlightjs = require(\"markdown-it-highlightjs\"); const md = require(\u0027markdown-it\u0027); const reuslt_xss = md() .use(markdownItHighlightjs, { inline: true }) .render(\u0027console.log(42){.\"\u003ejs}\u0027); console.log(reuslt_xss);",
      "id": "GSD-2020-7773",
      "modified": "2023-12-13T01:21:51.561329Z",
      "schema_version": "1.4.0"
    }
  },
  "namespaces": {
    "cve.org": {
      "CVE_data_meta": {
        "ASSIGNER": "report@snyk.io",
        "DATE_PUBLIC": "2020-11-16T11:58:00.563282Z",
        "ID": "CVE-2020-7773",
        "STATE": "PUBLIC",
        "TITLE": "Cross-site Scripting (XSS)"
      },
      "affects": {
        "vendor": {
          "vendor_data": [
            {
              "product": {
                "product_data": [
                  {
                    "product_name": "markdown-it-highlightjs",
                    "version": {
                      "version_data": [
                        {
                          "version_affected": "\u003c",
                          "version_value": "3.3.1"
                        }
                      ]
                    }
                  }
                ]
              },
              "vendor_name": "n/a"
            }
          ]
        }
      },
      "credit": [
        {
          "lang": "eng",
          "value": "ooooooo_q"
        }
      ],
      "data_format": "MITRE",
      "data_type": "CVE",
      "data_version": "4.0",
      "description": {
        "description_data": [
          {
            "lang": "eng",
            "value": "This affects the package markdown-it-highlightjs before 3.3.1. It is possible insert malicious JavaScript as a value of lang in the markdown-it-highlightjs Inline code highlighting feature. const markdownItHighlightjs = require(\"markdown-it-highlightjs\"); const md = require(\u0027markdown-it\u0027); const reuslt_xss = md() .use(markdownItHighlightjs, { inline: true }) .render(\u0027console.log(42){.\"\u003ejs}\u0027); console.log(reuslt_xss);"
          }
        ]
      },
      "impact": {
        "cvss": {
          "attackComplexity": "LOW",
          "attackVector": "NETWORK",
          "availabilityImpact": "NONE",
          "baseScore": 6.5,
          "baseSeverity": "MEDIUM",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "NONE",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "REQUIRED",
          "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N/E:P/RL:O/RC:C",
          "version": "3.1"
        }
      },
      "problemtype": {
        "problemtype_data": [
          {
            "description": [
              {
                "lang": "eng",
                "value": "Cross-site Scripting (XSS)"
              }
            ]
          }
        ]
      },
      "references": {
        "reference_data": [
          {
            "name": "https://snyk.io/vuln/SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461",
            "refsource": "MISC",
            "url": "https://snyk.io/vuln/SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461"
          },
          {
            "name": "https://github.com/valeriangalliat/markdown-it-highlightjs/pull/14",
            "refsource": "MISC",
            "url": "https://github.com/valeriangalliat/markdown-it-highlightjs/pull/14"
          },
          {
            "name": "https://github.com/valeriangalliat/markdown-it-highlightjs/blob/v3.3.0/index.js%23L52",
            "refsource": "MISC",
            "url": "https://github.com/valeriangalliat/markdown-it-highlightjs/blob/v3.3.0/index.js%23L52"
          }
        ]
      }
    },
    "gitlab.com": {
      "advisories": [
        {
          "affected_range": "\u003c3.3.1",
          "affected_versions": "All versions before 3.3.1",
          "cvss_v2": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
          "cvss_v3": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
          "cwe_ids": [
            "CWE-1035",
            "CWE-79",
            "CWE-937"
          ],
          "date": "2020-12-01",
          "description": "This affects the package markdown-it-highlightjs It is possible insert malicious JavaScript as a value of lang in the markdown-it-highlightjs Inline code highlighting feature.",
          "fixed_versions": [
            "3.3.1"
          ],
          "identifier": "CVE-2020-7773",
          "identifiers": [
            "CVE-2020-7773"
          ],
          "not_impacted": "All versions starting from 3.3.1",
          "package_slug": "npm/markdown-it-highlightjs",
          "pubdate": "2020-11-16",
          "solution": "Upgrade to version 3.3.1 or above.",
          "title": "Cross-site Scripting",
          "urls": [
            "https://nvd.nist.gov/vuln/detail/CVE-2020-7773"
          ],
          "uuid": "c47a66ef-306c-464a-9058-0bdc23c9d089"
        }
      ]
    },
    "nvd.nist.gov": {
      "configurations": {
        "CVE_data_version": "4.0",
        "nodes": [
          {
            "children": [],
            "cpe_match": [
              {
                "cpe23Uri": "cpe:2.3:a:markdown-it-highlightjs_project:markdown-it-highlightjs:*:*:*:*:*:node.js:*:*",
                "cpe_name": [],
                "versionEndExcluding": "3.3.1",
                "vulnerable": true
              }
            ],
            "operator": "OR"
          }
        ]
      },
      "cve": {
        "CVE_data_meta": {
          "ASSIGNER": "report@snyk.io",
          "ID": "CVE-2020-7773"
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "en",
              "value": "This affects the package markdown-it-highlightjs before 3.3.1. It is possible insert malicious JavaScript as a value of lang in the markdown-it-highlightjs Inline code highlighting feature. const markdownItHighlightjs = require(\"markdown-it-highlightjs\"); const md = require(\u0027markdown-it\u0027); const reuslt_xss = md() .use(markdownItHighlightjs, { inline: true }) .render(\u0027console.log(42){.\"\u003ejs}\u0027); console.log(reuslt_xss);"
            }
          ]
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "en",
                  "value": "CWE-79"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "N/A",
              "refsource": "CONFIRM",
              "tags": [
                "Mitigation",
                "Third Party Advisory"
              ],
              "url": "https://snyk.io/vuln/SNYK-JS-MARKDOWNITHIGHLIGHTJS-1040461"
            },
            {
              "name": "N/A",
              "refsource": "CONFIRM",
              "tags": [
                "Exploit",
                "Third Party Advisory"
              ],
              "url": "https://github.com/valeriangalliat/markdown-it-highlightjs/pull/14"
            },
            {
              "name": "N/A",
              "refsource": "CONFIRM",
              "tags": [
                "Broken Link"
              ],
              "url": "https://github.com/valeriangalliat/markdown-it-highlightjs/blob/v3.3.0/index.js%23L52"
            }
          ]
        }
      },
      "impact": {
        "baseMetricV2": {
          "acInsufInfo": false,
          "cvssV2": {
            "accessComplexity": "MEDIUM",
            "accessVector": "NETWORK",
            "authentication": "NONE",
            "availabilityImpact": "NONE",
            "baseScore": 4.3,
            "confidentialityImpact": "NONE",
            "integrityImpact": "PARTIAL",
            "vectorString": "AV:N/AC:M/Au:N/C:N/I:P/A:N",
            "version": "2.0"
          },
          "exploitabilityScore": 8.6,
          "impactScore": 2.9,
          "obtainAllPrivilege": false,
          "obtainOtherPrivilege": false,
          "obtainUserPrivilege": false,
          "severity": "MEDIUM",
          "userInteractionRequired": true
        },
        "baseMetricV3": {
          "cvssV3": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 6.1,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "NONE",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N",
            "version": "3.1"
          },
          "exploitabilityScore": 2.8,
          "impactScore": 2.7
        }
      },
      "lastModifiedDate": "2020-12-01T13:23Z",
      "publishedDate": "2020-11-16T12:15Z"
    }
  }
}



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