Vulnerability-Lookup

CNVD-2022-08160

Vulnerability from cnvd - Published: 2022-02-02

Title

vditor跨站脚本漏洞

Description

vditor是一款浏览器端的Markdown 编辑器，支持所见即所得、即时渲染（类似 Typora）和分屏预览模式。 vditor存在跨站脚本漏洞，该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。

Severity

低

Patch Name

vditor跨站脚本漏洞的补丁

Patch Description

vditor是一款浏览器端的Markdown 编辑器，支持所见即所得、即时渲染（类似 Typora）和分屏预览模式。 vditor存在跨站脚本漏洞，该漏洞源于WEB应用缺少对客户端数据的正确验证。攻击者可利用该漏洞执行客户端代码。目前，供应商发布了安全公告及相关补丁信息，修复了此漏洞。

Formal description

目前厂商已发布升级补丁以修复漏洞，补丁获取链接： https://github.com/vanessa219/vditor/commit/8d4d0889dd72b2f839e93a49db3da3a370416c7d

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-4103

Impacted products

Name
b3log vditor <1.0.34

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-4103"
    }
  },
  "description": "vditor\u662f\u4e00\u6b3e\u6d4f\u89c8\u5668\u7aef\u7684Markdown \u7f16\u8f91\u5668\uff0c\u652f\u6301\u6240\u89c1\u5373\u6240\u5f97\u3001\u5373\u65f6\u6e32\u67d3\uff08\u7c7b\u4f3c Typora\uff09\u548c\u5206\u5c4f\u9884\u89c8\u6a21\u5f0f\u3002\n\nvditor\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eWEB\u5e94\u7528\u7f3a\u5c11\u5bf9\u5ba2\u6237\u7aef\u6570\u636e\u7684\u6b63\u786e\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u5ba2\u6237\u7aef\u4ee3\u7801\u3002",
  "formalWay": "\u76ee\u524d\u5382\u5546\u5df2\u53d1\u5e03\u5347\u7ea7\u8865\u4e01\u4ee5\u4fee\u590d\u6f0f\u6d1e\uff0c\u8865\u4e01\u83b7\u53d6\u94fe\u63a5\uff1a\r\nhttps://github.com/vanessa219/vditor/commit/8d4d0889dd72b2f839e93a49db3da3a370416c7d",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2022-08160",
  "openTime": "2022-02-02",
  "patchDescription": "vditor\u662f\u4e00\u6b3e\u6d4f\u89c8\u5668\u7aef\u7684Markdown \u7f16\u8f91\u5668\uff0c\u652f\u6301\u6240\u89c1\u5373\u6240\u5f97\u3001\u5373\u65f6\u6e32\u67d3\uff08\u7c7b\u4f3c Typora\uff09\u548c\u5206\u5c4f\u9884\u89c8\u6a21\u5f0f\u3002\r\n\r\nvditor\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u6e90\u4e8eWEB\u5e94\u7528\u7f3a\u5c11\u5bf9\u5ba2\u6237\u7aef\u6570\u636e\u7684\u6b63\u786e\u9a8c\u8bc1\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884c\u5ba2\u6237\u7aef\u4ee3\u7801\u3002\u76ee\u524d\uff0c\u4f9b\u5e94\u5546\u53d1\u5e03\u4e86\u5b89\u5168\u516c\u544a\u53ca\u76f8\u5173\u8865\u4e01\u4fe1\u606f\uff0c\u4fee\u590d\u4e86\u6b64\u6f0f\u6d1e\u3002",
  "patchName": "vditor\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "b3log vditor \u003c1.0.34"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-4103",
  "serverity": "\u4f4e",
  "submitTime": "2022-01-25",
  "title": "vditor\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2021-4103 (GCVE-0-2021-4103)

Vulnerability from cvelistv5 – Published: 2022-01-23 01:45 – Updated: 2024-08-03 17:16

Title

Cross-site Scripting (XSS) - Stored in vanessa219/vditor

Summary

Cross-site Scripting (XSS) - Stored in GitHub repository vanessa219/vditor prior to 1.0.34.

Severity

6.8 (Medium)


                        
                          CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Assigner

@huntrdev

References

2 references

URL	Tags
https://huntr.dev/bounties/67b980af-7357-4879-944…	x_refsource_CONFIRM
https://github.com/vanessa219/vditor/commit/8d4d0…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
vanessa219	vanessa219/vditor	Affected: unspecified , < 1.0.34 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:16:04.162Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
        },
        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/67b980af-7357-4879-9448-a926c6474225"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/vanessa219/vditor/commit/8d4d0889dd72b2f839e93a49db3da3a370416c7d"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "vanessa219/vditor",
          "vendor": "vanessa219",
          "versions": [
            {
              "lessThan": "1.0.34",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "Cross-site Scripting (XSS) - Stored in GitHub repository vanessa219/vditor prior to 1.0.34."
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2022-01-23T01:45:11.000Z",
        "orgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
        "shortName": "@huntrdev"
      },
      "references": [
        {
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://huntr.dev/bounties/67b980af-7357-4879-9448-a926c6474225"
        },
        {
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/vanessa219/vditor/commit/8d4d0889dd72b2f839e93a49db3da3a370416c7d"
        }
      ],
      "source": {
        "advisory": "67b980af-7357-4879-9448-a926c6474225",
        "discovery": "EXTERNAL"
      },
      "title": "Cross-site Scripting (XSS) - Stored in vanessa219/vditor",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2021-4103",
          "STATE": "PUBLIC",
          "TITLE": "Cross-site Scripting (XSS) - Stored in vanessa219/vditor"
        },
        "affects": {
          "vendor": {
            "vendor_data": [
              {
                "product": {
                  "product_data": [
                    {
                      "product_name": "vanessa219/vditor",
                      "version": {
                        "version_data": [
                          {
                            "version_affected": "\u003c",
                            "version_value": "1.0.34"
                          }
                        ]
                      }
                    }
                  ]
                },
                "vendor_name": "vanessa219"
              }
            ]
          }
        },
        "data_format": "MITRE",
        "data_type": "CVE",
        "data_version": "4.0",
        "description": {
          "description_data": [
            {
              "lang": "eng",
              "value": "Cross-site Scripting (XSS) - Stored in GitHub repository vanessa219/vditor prior to 1.0.34."
            }
          ]
        },
        "impact": {
          "cvss": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "LOW",
            "baseScore": 6.8,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "HIGH",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:L/I:H/A:L",
            "version": "3.0"
          }
        },
        "problemtype": {
          "problemtype_data": [
            {
              "description": [
                {
                  "lang": "eng",
                  "value": "CWE-79 Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
                }
              ]
            }
          ]
        },
        "references": {
          "reference_data": [
            {
              "name": "https://huntr.dev/bounties/67b980af-7357-4879-9448-a926c6474225",
              "refsource": "CONFIRM",
              "url": "https://huntr.dev/bounties/67b980af-7357-4879-9448-a926c6474225"
            },
            {
              "name": "https://github.com/vanessa219/vditor/commit/8d4d0889dd72b2f839e93a49db3da3a370416c7d",
              "refsource": "MISC",
              "url": "https://github.com/vanessa219/vditor/commit/8d4d0889dd72b2f839e93a49db3da3a370416c7d"
            }
          ]
        },
        "source": {
          "advisory": "67b980af-7357-4879-9448-a926c6474225",
          "discovery": "EXTERNAL"
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "c09c270a-b464-47c1-9133-acb35b22c19a",
    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2021-4103",
    "datePublished": "2022-01-23T01:45:11.000Z",
    "dateReserved": "2021-12-12T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:16:04.162Z",
    "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.

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

CNVD-2022-08160

CVE-2021-4103 (GCVE-0-2021-4103)

Tags

Sightings

Nomenclature

Related by attack behaviour