Vulnerability-Lookup

CNVD-2021-93902

Vulnerability from cnvd - Published: 2021-12-03

Title

BookStack跨站脚本漏洞（CNVD-2021-93902）

Description

BookStack是一个用于存储和组织信息和文档的平台。 BookStack存在存储型跨站脚本漏洞。攻击者可利用该漏洞获取管理员cookie等。

Severity

低

Patch Name

BookStack跨站脚本漏洞（CNVD-2021-93902）的补丁

Patch Description

BookStack是一个用于存储和组织信息和文档的平台。 BookStack存在存储型跨站脚本漏洞。攻击者可利用该漏洞获取管理员cookie等。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

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/bookstackapp/bookstack/commit/5e6092aaf8fd420202016038286554860bf8ea64

Reference

https://nvd.nist.gov/vuln/detail/CVE-2021-3768

Impacted products

Name
BookStack BookStack

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2021-3768",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2021-3768"
    }
  },
  "description": "BookStack\u662f\u4e00\u4e2a\u7528\u4e8e\u5b58\u50a8\u548c\u7ec4\u7ec7\u4fe1\u606f\u548c\u6587\u6863\u7684\u5e73\u53f0\u3002\n\nBookStack\u5b58\u5728\u5b58\u50a8\u578b\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u7ba1\u7406\u5458cookie\u7b49\u3002",
  "formalWay": "\u5382\u5546\u5df2\u53d1\u5e03\u4e86\u6f0f\u6d1e\u4fee\u590d\u7a0b\u5e8f\uff0c\u8bf7\u53ca\u65f6\u5173\u6ce8\u66f4\u65b0\uff1a\r\nhttps://github.com/bookstackapp/bookstack/commit/5e6092aaf8fd420202016038286554860bf8ea64",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2021-93902",
  "openTime": "2021-12-03",
  "patchDescription": "BookStack\u662f\u4e00\u4e2a\u7528\u4e8e\u5b58\u50a8\u548c\u7ec4\u7ec7\u4fe1\u606f\u548c\u6587\u6863\u7684\u5e73\u53f0\u3002\r\n\r\nBookStack\u5b58\u5728\u5b58\u50a8\u578b\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u3002\u653b\u51fb\u8005\u53ef\u5229\u7528\u8be5\u6f0f\u6d1e\u83b7\u53d6\u7ba1\u7406\u5458cookie\u7b49\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": "BookStack\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-93902\uff09\u7684\u8865\u4e01",
  "products": {
    "product": "BookStack BookStack"
  },
  "referenceLink": "https://nvd.nist.gov/vuln/detail/CVE-2021-3768",
  "serverity": "\u4f4e",
  "submitTime": "2021-09-07",
  "title": "BookStack\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff08CNVD-2021-93902\uff09"
}

CVE-2021-3768 (GCVE-0-2021-3768)

Vulnerability from cvelistv5 – Published: 2021-09-06 11:17 – Updated: 2024-08-03 17:09

Title

Cross-site Scripting (XSS) - Stored in bookstackapp/bookstack

Summary

bookstack is vulnerable to Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')

Severity

5.4 (Medium)


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

CWE

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

Assigner

@huntrdev Scorecard

References

2 references

URL	Tags
https://huntr.dev/bounties/64a0229f-ff5e-4c64-b83…	x_refsource_CONFIRM
https://github.com/bookstackapp/bookstack/commit/…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
bookstackapp	bookstackapp/bookstack	Affected: unspecified , < 21.08.2 (custom)

Show details on NVD website

JSON

To clipboard

{
  "containers": {
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      {
        "providerMetadata": {
          "dateUpdated": "2024-08-03T17:09:08.651Z",
          "orgId": "af854a3a-2127-422b-91ae-364da2661108",
          "shortName": "CVE"
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        "references": [
          {
            "tags": [
              "x_refsource_CONFIRM",
              "x_transferred"
            ],
            "url": "https://huntr.dev/bounties/64a0229f-ff5e-4c64-b83e-9bfc0698a78e"
          },
          {
            "tags": [
              "x_refsource_MISC",
              "x_transferred"
            ],
            "url": "https://github.com/bookstackapp/bookstack/commit/5e6092aaf8fd420202016038286554860bf8ea64"
          }
        ],
        "title": "CVE Program Container"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "bookstackapp/bookstack",
          "vendor": "bookstackapp",
          "versions": [
            {
              "lessThan": "21.08.2",
              "status": "affected",
              "version": "unspecified",
              "versionType": "custom"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "bookstack is vulnerable to Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)"
        }
      ],
      "metrics": [
        {
          "cvssV3_0": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
            "version": "3.0"
          }
        }
      ],
      "problemTypes": [
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          "descriptions": [
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              "lang": "en",
              "type": "CWE"
            }
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      ],
      "providerMetadata": {
        "dateUpdated": "2021-09-06T11:17:18.000Z",
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        "shortName": "@huntrdev"
      },
      "references": [
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          "tags": [
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          "url": "https://huntr.dev/bounties/64a0229f-ff5e-4c64-b83e-9bfc0698a78e"
        },
        {
          "tags": [
            "x_refsource_MISC"
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          "url": "https://github.com/bookstackapp/bookstack/commit/5e6092aaf8fd420202016038286554860bf8ea64"
        }
      ],
      "source": {
        "advisory": "64a0229f-ff5e-4c64-b83e-9bfc0698a78e",
        "discovery": "EXTERNAL"
      },
      "title": "Cross-site Scripting (XSS) - Stored in bookstackapp/bookstack",
      "x_legacyV4Record": {
        "CVE_data_meta": {
          "ASSIGNER": "security@huntr.dev",
          "ID": "CVE-2021-3768",
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        },
        "affects": {
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              {
                "product": {
                  "product_data": [
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                      "product_name": "bookstackapp/bookstack",
                      "version": {
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                            "version_affected": "\u003c",
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                          }
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                "vendor_name": "bookstackapp"
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        "impact": {
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            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 5.4,
            "baseSeverity": "MEDIUM",
            "confidentialityImpact": "LOW",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:L/A:N",
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    "assignerShortName": "@huntrdev",
    "cveId": "CVE-2021-3768",
    "datePublished": "2021-09-06T11:17:18.000Z",
    "dateReserved": "2021-09-04T00:00:00.000Z",
    "dateUpdated": "2024-08-03T17:09:08.651Z",
    "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.

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CNVD-2021-93902

CVE-2021-3768 (GCVE-0-2021-3768)

Tags

Sightings

Nomenclature

Related by attack behaviour