Vulnerability-Lookup

CNVD-2025-22701

Vulnerability from cnvd - Published: 2025-09-26

Title

FileBrowser跨站脚本漏洞

Description

FileBrowser是开源的一款网页文件浏览器。提供指定目录下的文件管理界面，可用于上传、删除、预览、重命名和编辑您的文件。 FileBrowser存在跨站脚本漏洞，该漏洞是由于Markdown预览功能对用户输入的验证不当造成的。攻击者利用该漏洞执行JavaScript代码。

Severity

高

Patch Name

FileBrowser跨站脚本漏洞的补丁

Patch Description

FileBrowser是开源的一款网页文件浏览器。提供指定目录下的文件管理界面，可用于上传、删除、预览、重命名和编辑您的文件。 FileBrowser存在跨站脚本漏洞，该漏洞是由于Markdown预览功能对用户输入的验证不当造成的。攻击者利用该漏洞执行JavaScript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

厂商已发布了漏洞修复程序，请及时关注更新： https://github.com/filebrowser/filebrowser/releases

Reference

https://github.com/filebrowser/filebrowser/commit/f19943a42e8e092e811dffbe9f4623dac36f1f0d

Impacted products

Name
filebrowser filebrowser <2.33.7

Show details on source website

JSON

To clipboard

{
  "cves": {
    "cve": {
      "cveNumber": "CVE-2025-52902",
      "cveUrl": "https://nvd.nist.gov/vuln/detail/CVE-2025-52902"
    }
  },
  "description": "FileBrowser\u662f\u5f00\u6e90\u7684\u4e00\u6b3e\u7f51\u9875\u6587\u4ef6\u6d4f\u89c8\u5668\u3002\u63d0\u4f9b\u6307\u5b9a\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u7ba1\u7406\u754c\u9762\uff0c\u53ef\u7528\u4e8e\u4e0a\u4f20\u3001\u5220\u9664\u3001\u9884\u89c8\u3001\u91cd\u547d\u540d\u548c\u7f16\u8f91\u60a8\u7684\u6587\u4ef6\u3002\n\nFileBrowser\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8eMarkdown\u9884\u89c8\u529f\u80fd\u5bf9\u7528\u6237\u8f93\u5165\u7684\u9a8c\u8bc1\u4e0d\u5f53\u9020\u6210\u7684\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884cJavaScript\u4ee3\u7801\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/filebrowser/filebrowser/releases",
  "isEvent": "\u901a\u7528\u8f6f\u786c\u4ef6\u6f0f\u6d1e",
  "number": "CNVD-2025-22701",
  "openTime": "2025-09-26",
  "patchDescription": "FileBrowser\u662f\u5f00\u6e90\u7684\u4e00\u6b3e\u7f51\u9875\u6587\u4ef6\u6d4f\u89c8\u5668\u3002\u63d0\u4f9b\u6307\u5b9a\u76ee\u5f55\u4e0b\u7684\u6587\u4ef6\u7ba1\u7406\u754c\u9762\uff0c\u53ef\u7528\u4e8e\u4e0a\u4f20\u3001\u5220\u9664\u3001\u9884\u89c8\u3001\u91cd\u547d\u540d\u548c\u7f16\u8f91\u60a8\u7684\u6587\u4ef6\u3002\r\n\r\nFileBrowser\u5b58\u5728\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\uff0c\u8be5\u6f0f\u6d1e\u662f\u7531\u4e8eMarkdown\u9884\u89c8\u529f\u80fd\u5bf9\u7528\u6237\u8f93\u5165\u7684\u9a8c\u8bc1\u4e0d\u5f53\u9020\u6210\u7684\u3002\u653b\u51fb\u8005\u5229\u7528\u8be5\u6f0f\u6d1e\u6267\u884cJavaScript\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": "FileBrowser\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e\u7684\u8865\u4e01",
  "products": {
    "product": "filebrowser filebrowser \u003c2.33.7"
  },
  "referenceLink": "https://github.com/filebrowser/filebrowser/commit/f19943a42e8e092e811dffbe9f4623dac36f1f0d",
  "serverity": "\u9ad8",
  "submitTime": "2025-07-04",
  "title": "FileBrowser\u8de8\u7ad9\u811a\u672c\u6f0f\u6d1e"
}

CVE-2025-52902 (GCVE-0-2025-52902)

Vulnerability from cvelistv5 – Published: 2025-06-26 14:37 – Updated: 2025-06-26 15:01

Title

File Browser has Stored Cross-Site Scripting vulnerability

Summary

File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. The Markdown preview function of File Browser prior to v2.33.7 is vulnerable to Stored Cross-Site-Scripting (XSS). Any JavaScript code that is part of a Markdown file uploaded by a user will be executed by the browser. Version 2.33.7 contains a fix for the issue.

Severity

7.6 (High)


                        
                          CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N

SSVC

Exploitation: poc Automatable: no Technical Impact: partial

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-06-26 15:01 UTC

CWE

CWE-79 - Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting')
CWE-80 - Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/filebrowser/filebrowser/securi…	x_refsource_CONFIRM
https://github.com/filebrowser/filebrowser/commit…	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
filebrowser	filebrowser	Affected: < 2.33.7

Show details on NVD website

JSON

To clipboard

{
  "containers": {
    "adp": [
      {
        "metrics": [
          {
            "other": {
              "content": {
                "id": "CVE-2025-52902",
                "options": [
                  {
                    "Exploitation": "poc"
                  },
                  {
                    "Automatable": "no"
                  },
                  {
                    "Technical Impact": "partial"
                  }
                ],
                "role": "CISA Coordinator",
                "timestamp": "2025-06-26T15:01:08.206100Z",
                "version": "2.0.3"
              },
              "type": "ssvc"
            }
          }
        ],
        "providerMetadata": {
          "dateUpdated": "2025-06-26T15:01:19.861Z",
          "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
          "shortName": "CISA-ADP"
        },
        "title": "CISA ADP Vulnrichment"
      }
    ],
    "cna": {
      "affected": [
        {
          "product": "filebrowser",
          "vendor": "filebrowser",
          "versions": [
            {
              "status": "affected",
              "version": "\u003c 2.33.7"
            }
          ]
        }
      ],
      "descriptions": [
        {
          "lang": "en",
          "value": "File Browser provides a file managing interface within a specified directory and it can be used to upload, delete, preview, rename and edit files. The Markdown preview function of File Browser prior to v2.33.7 is vulnerable to Stored Cross-Site-Scripting (XSS). Any JavaScript code that is part of a Markdown file uploaded by a user will be executed by the browser. Version 2.33.7 contains a fix for the issue."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "LOW",
            "attackVector": "NETWORK",
            "availabilityImpact": "NONE",
            "baseScore": 7.6,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "LOW",
            "privilegesRequired": "LOW",
            "scope": "CHANGED",
            "userInteraction": "REQUIRED",
            "vectorString": "CVSS:3.1/AV:N/AC:L/PR:L/UI:R/S:C/C:H/I:L/A:N",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-79",
              "description": "CWE-79: Improper Neutralization of Input During Web Page Generation (\u0027Cross-site Scripting\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        },
        {
          "descriptions": [
            {
              "cweId": "CWE-80",
              "description": "CWE-80: Improper Neutralization of Script-Related HTML Tags in a Web Page (Basic XSS)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2025-06-26T14:37:45.905Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-4wx8-5gm2-2j97",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/filebrowser/filebrowser/security/advisories/GHSA-4wx8-5gm2-2j97"
        },
        {
          "name": "https://github.com/filebrowser/filebrowser/commit/f19943a42e8e092e811dffbe9f4623dac36f1f0d",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/filebrowser/filebrowser/commit/f19943a42e8e092e811dffbe9f4623dac36f1f0d"
        }
      ],
      "source": {
        "advisory": "GHSA-4wx8-5gm2-2j97",
        "discovery": "UNKNOWN"
      },
      "title": "File Browser has Stored Cross-Site Scripting vulnerability"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2025-52902",
    "datePublished": "2025-06-26T14:37:45.905Z",
    "dateReserved": "2025-06-20T17:42:25.712Z",
    "dateUpdated": "2025-06-26T15:01:19.861Z",
    "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.

Detection rules are retrieved from Rulezet.

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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CNVD-2025-22701

CVE-2025-52902 (GCVE-0-2025-52902)

Tags

Sightings

Nomenclature

Related by attack behaviour