Vulnerability-Lookup

CNVD-2021-27921

Vulnerability from cnvd - Published: 2021-04-13

Title

Mark Text跨站脚本漏洞（CNVD-2021-27921）

Description

Mark Text是一款高性能的Markdown编辑器，基于Electron构建，运行于Mac、Windows和Linux平台，具有简洁的外观，专注于速度和可用性。 Mark Text在0.16.3及之前版本中存在跨站脚本漏洞，该漏洞与受影响版本未能正确过滤用户输入数据有关。攻击者可以利用该漏洞打开包含XSS有效负载的.md文件导致远程恶意代码执行，危害系统安全。

Severity

中

Formal description

厂商尚未提供漏洞修复方案，请关注厂商主页更新： https://github.com/marktext/marktext

Reference

https://github.com/marktext/marktext/issues/2548

Impacted products

Name
Mark Text Mark Text <=0.16.3

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-29996",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-29996"
    }
  },
  "description": "Mark Text\u662f\u4e00\u6b3e\u9ad8\u6027\u80fd\u7684Markdown\u7f16\u8f91\u5668\uff0c\u57fa\u4e8eElectron\u6784\u5efa\uff0c\u8fd0\u884c\u4e8eMac\u3001Windows\u548cLinux\u5e73\u53f0\uff0c\u5177\u6709\u7b80\u6d01\u7684\u5916\u89c2\uff0c\u4e13\u6ce8\u4e8e\u901f\u5ea6\u548c\u53ef\u7528\u6027\u3002\n\nMark Text\u57280.16.3\u53ca\u4e4b\u524d\u7248\u672c\u4e2d\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u4e0e\u53d7\u5f71\u54cd\u7248\u672c\u672a\u80fd\u6b63\u786e\u8fc7\u6ee4\u7528\u6237\u8f93\u5165\u6570\u636e\u6709\u5173\u3002\u653b\u51fb\u8005\u53ef\u4ee5\u5229\u7528\u8be5\u6f0f\u6d1e\u6253\u5f00\u5305\u542bXSS\u6709\u6548\u8d1f\u8f7d\u7684.md\u6587\u4ef6\u5bfc\u81f4\u8fdc\u7a0b\u6076\u610f\u4ee3\u7801\u6267\u884c\uff0c\u5371\u5bb3\u7cfb\u7edf\u5b89\u5168\u3002",
  "formalWay": "\u5382\u5546\u5c1a\u672a\u63d0\u4f9b\u6f0f\u6d1e\u4fee\u590d\u65b9\u6848\uff0c\u8bf7\u5173\u6ce8\u5382\u5546\u4e3b\u9875\u66f4\u65b0\uff1a\r\nhttps://github.com/marktext/marktext",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-27921",
  "openTime": "2021-04-13",
  "products": {
    "product": "Mark Text Mark Text \u003c=0.16.3"
  },
  "referenceLink": "https://github.com/marktext/marktext/issues/2548",
  "serverity": "\u4e2d",
  "submitTime": "2021-04-09",
  "title": "Mark Text\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-27921\uff09"
}

CVE-2021-29996 (GCVE-0-2021-29996)

Vulnerability from cvelistv5 – Published: 2021-04-05 07:32 – Updated: 2024-08-03 22:24

Summary

Mark Text through 0.16.3 allows attackers arbitrary command execution. This could lead to Remote Code Execution (RCE) by opening .md files containing a mutation Cross Site Scripting (XSS) payload.

Severity

No CVSS data available.

CWE

Assigner

mitre CNA under the mitre root

CNA scorecard E 29/100 over 2315 records in the last 180 days details

References

1 reference

URL	Tags
https://github.com/marktext/marktext/issues/2548	x_refsource_MISC

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T22:24:59.160Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/marktext/marktext/issues/2548"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
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          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
              "version": "n/a"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Mark Text through 0.16.3 allows attackers arbitrary command execution. This could lead to Remote Code Execution (RCE) by opening .md files containing a mutation Cross Site Scripting (XSS) payload."
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "description": "n/a",
              "lang": "en",
              "type": "text"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2021-04-05T07:32:40.000Z",
        "orgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
        "shortName": "mitre"
      },
      "references": [
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/marktext/marktext/issues/2548"
        }
      ],
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "cve@mitre.org",
          "ID": "CVE-2021-29996",
          "STATE": "PUBLIC"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "n/a",
                      "version": {
                        "version_data": [
                          {
                            "version_value": "n/a"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "n/a"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Mark Text through 0.16.3 allows attackers arbitrary command execution. This could lead to Remote Code Execution (RCE) by opening .md files containing a mutation Cross Site Scripting (XSS) payload."
            }
          ]
        },
        "problemtype": {
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              "description": [
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                  "lang": "eng",
                  "value": "n/a"
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        },
        "references": {
          "reference_data": [
            {
              "name": "https://github.com/marktext/marktext/issues/2548",
              "refsource": "MISC",
              "url": "https://github.com/marktext/marktext/issues/2548"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2021-29996",
    "datePublished": "2021-04-05T07:32:40.000Z",
    "dateReserved": "2021-04-02T00:00:00.000Z",
    "dateUpdated": "2024-08-03T22:24:59.160Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Vulnerability timeline

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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.

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